{
  "schema": "canli.company-reference.v1",
  "cik": "0001733298",
  "name": "Qutoutiao Inc.",
  "selection_policy": "extended-v22",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001733298.json",
  "source_sha256": "ea1ab8a9852f4db216368c01a1660e195ac243f51637ab50d683a551d30a3c14",
  "fetched_at": "2026-09-21T17:27:58.225Z",
  "policy": "Latest-filed annual-report facts per unit and reporting period at capture time. Duration facts cover 300 to 400 days. This selection can include restatements and is not a point-in-time backtest dataset. Missing concepts are omitted, never zero-filled. Values retain original units and are not currency converted. Extended concepts require compatible unit shapes and at least three reporting ends with changing values within one unit. Constant or incompatible added histories are omitted.",
  "claim_boundary": "Public company accounting reference, not market prices, returns, an investment recommendation, or ALPHAC performance. Validate a separately constructed return series with the validation API; accounting values are not returns.",
  "concepts": [
    {
      "tag": "Assets",
      "taxonomy": "us-gaap",
      "label": "Total assets",
      "kind": "instant",
      "meaning": "Resources recognized on the balance sheet. Book assets are not the market value of the business.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 478712000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 413411000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 581536000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 2080475000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 2915858000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 2940196895,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 2752471517,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 476580750,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 65583000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 58228000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 84315000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 326471000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 446874725,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 422332859,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 400330378,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Liabilities",
      "taxonomy": "us-gaap",
      "label": "Total liabilities",
      "kind": "instant",
      "meaning": "Recognized obligations at the reporting date. The definition and scope differ from interest-bearing debt.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 3023372000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 2767669000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 2757840000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 3297813000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 3107695000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 3149695951,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 1144301882,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 311246070,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 414200000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 389818000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 399850000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 517497000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 476275140,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 452425515,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 166431806,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquity",
      "taxonomy": "us-gaap",
      "label": "Stockholders equity",
      "kind": "instant",
      "meaning": "The reported residual interest after liabilities. It is an accounting amount, not market capitalization.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": -4315010000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": -3937388000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": -3590739000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": -2389556000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": -1280774000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": -701481954,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 1514507305,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": -108560011,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": -591154000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": -554569000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": -520609000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": -374973000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": -196287281,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": -100761577,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 220275952,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CashAndCashEquivalentsAtCarryingValue",
      "taxonomy": "us-gaap",
      "label": "Cash and cash equivalents",
      "kind": "instant",
      "meaning": "Cash and qualifying short-term liquid investments under the filer’s accounting policy. Restricted cash and longer-term investments may be reported separately.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 67704000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 74648000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 122801000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 240351000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 494475000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 347817000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 2186288246,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 278458413,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2016-12-31",
          "val": 268628,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2016Q4I",
          "unit": "CNY"
        },
        {
          "end": "2015-12-31",
          "val": 72612,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2015Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 9275000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 10514000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 17804000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 37716000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 75781592,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 49960799,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 317982437,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 40500096,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2017Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Net income or loss",
      "kind": "duration",
      "meaning": "Reported profit or loss for the period. Check the filing for attribution, exceptional items and discontinued operations before comparing companies.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -167530000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -185313000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -914767000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -1239617000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -1104439000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -2688681000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -1942571687,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -94759689,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -10862379,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -22951000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -26101000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -132630000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -194523000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -169262658,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -386204829,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -282535334,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInOperatingActivities",
      "taxonomy": "us-gaap",
      "label": "Operating cash flow",
      "kind": "duration",
      "meaning": "Cash generated or used by operating activities. Working-capital timing can make this differ substantially from reported income.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 3830000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -65698000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -443797000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -279122000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -863774000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -2367295000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -434764524,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 132226406,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 12719290,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 525000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -9253000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -64344000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -43801000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -132379179,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -340040660,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -63233877,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsToAcquirePropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Capital expenditure payments",
      "kind": "duration",
      "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 149000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 54000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 7000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 7607000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 6198000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 21350000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 14924590,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 4543180,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 153274,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 20000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 8000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1194000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 949865,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3066686,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2170692,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RevenueFromContractWithCustomerExcludingAssessedTax",
      "taxonomy": "us-gaap",
      "label": "Contract revenue excluding tax",
      "kind": "duration",
      "meaning": "Revenue from customer contracts excluding assessed taxes under this specific taxonomy concept. It is not automatically comparable to older revenue tags.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1021892000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 745557000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1083045000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 4339603000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 5285195000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 5570081000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 3022145785,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 517052950,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 57954312,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 139998000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 105011000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 157026000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 680978000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 809991575,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 800092017,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 439552874,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -20000000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -66094000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 307746000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1768001000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2298043751,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 272121039,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -2900000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -10371000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 47164168,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 253957498,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 334236601,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInInvestingActivities",
      "taxonomy": "us-gaap",
      "label": "Investing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -149000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 26483000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 267555000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 75521000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 782545000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -1224152000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -72492552,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -121918529,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -12523274,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -20000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 3730000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 38792000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 11850000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 119930266,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -175838376,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -10543604,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RetainedEarningsAccumulatedDeficit",
      "taxonomy": "us-gaap",
      "label": "Retained earnings or deficit",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": -9054079000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": -8724473000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": -8395184000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": -7355740000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": -6007227000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": -4862464162,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": -2153235425,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": -117456701,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": -1240404000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": -1228816000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": -1217187000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": -1154276000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": -920647797,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": -698449275,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": -313175103,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfSharesOutstandingBasic",
      "taxonomy": "us-gaap",
      "label": "Basic weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 76631037,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 76631037,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 76629816,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 75767532,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 72513077,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 76631037,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 76631037,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 76629816,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 75767532,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 72513077,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -4.3,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "CNY/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -4.3,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023",
          "unit": "CNY/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -13.56,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "CNY/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -17.8,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "CNY/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -15.69,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "CNY/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -0.59,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -0.61,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -1.97,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -4.3,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "CNY/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -4.3,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023",
          "unit": "CNY/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -13.56,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "CNY/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -17.8,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "CNY/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -15.69,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "CNY/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -0.59,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -0.61,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -1.97,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "IncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Current and deferred income tax expense or benefit for continuing operations. This accounting expense differs from cash taxes paid.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -888000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -2026000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -1048000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 3050000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -1008000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 4843000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -400541,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -122000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -285000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -152000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 479000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -154386,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 695636,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -58256,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentNet",
      "taxonomy": "us-gaap",
      "label": "Net property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 584000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 504000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 5013000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 12861000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 17213000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 24115374,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 13929542,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 4614062,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 80000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 71000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 727000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 2018000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 2637977,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 3463957,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 2025968,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ShareBasedCompensation",
      "taxonomy": "us-gaap",
      "label": "Share-based compensation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Reported noncash expense for share-based payment arrangements. Noncash treatment does not mean the awards have no economic cost to shareholders.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 6849000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 37308000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 70105000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 200186000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 463214000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 271978000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 951626250,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 3378827,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 393766,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 938000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 5255000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 10164000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 31413000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 70990632,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 39067266,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 138408298,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Operating income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Operating revenue less operating expenses for the reporting period. It excludes items outside the reported operating result and is not free cash flow.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 33467000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -1894000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -318498000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -1193223000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -1032169000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -2723232000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -1981613184,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -95416397,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -10911011,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 4585000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -267000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -46179000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -187243000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -158186892,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -391167752,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -288213684,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Assets classified as current under the normal operating cycle or one-year boundary. Not all current assets can be converted immediately into cash.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 435428000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 348996000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 481825000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 1862509000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 2472316000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 2692226767,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 2626073906,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 466207742,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 59653000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 49155000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 69858000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 292268000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 378899040,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 386714178,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 381946608,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestExpense",
      "taxonomy": "us-gaap",
      "label": "Interest expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Borrowing costs recognized as interest expense. This is distinct from cash interest paid and may not include every capitalized borrowing cost.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 192953000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 168177000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 438112000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 35350000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 36798000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 26878000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 26434000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 23687000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 63520000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 5547000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 5639563,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3860829,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LiabilitiesCurrent",
      "taxonomy": "us-gaap",
      "label": "Current liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Obligations classified as current under the operating-cycle or one-year boundary. The balance includes more than short-term borrowing.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 844691000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 807853000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 990034000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 3263673000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 1885990000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 1875697710,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 1110983764,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 311246070,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 115722000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 113784000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 396715000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 512140000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 289040664,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 269427118,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 161585887,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsPayableCurrent",
      "taxonomy": "us-gaap",
      "label": "Current accounts payable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current amounts owed to suppliers for goods and services received. This is one component of current liabilities, not all accrued obligations.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 365556000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 379573000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 394994000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 313768000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 448981000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 328268752,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 131249219,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 14992741,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 50081000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 57269000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 49237000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 68809309,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 47152856,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 19089407,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Goodwill",
      "taxonomy": "us-gaap",
      "label": "Goodwill carrying amount",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Recognized goodwill remaining after accumulated impairment. It arises from business combinations and does not measure the current value of the company’s brand.",
      "observations": [
        {
          "end": "2023-12-31",
          "val": 7268000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 7268000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 7268000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 7268000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 7268330,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 7268330,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 1024000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1054000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1141000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1113920,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1044030,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1057135,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "FiniteLivedIntangibleAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net finite-lived intangible assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Finite-lived intangible assets after amortization. This excludes goodwill and should not be combined with indefinite-lived intangible assets without checking scope.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 38907000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 50344000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 62649000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 165270000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 83123000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 88943679,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 94527598,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        }
      ]
    },
    {
      "tag": "AccountsReceivableNetCurrent",
      "taxonomy": "us-gaap",
      "label": "Net current accounts receivable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current customer receivables after the allowance for credit loss. The balance is not cash collected or a guarantee of collection.",
      "observations": [
        {
          "end": "2024-12-31",
          "val": 194385000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "CNY"
        },
        {
          "end": "2023-12-31",
          "val": 73570000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023Q4I",
          "unit": "CNY"
        },
        {
          "end": "2022-12-31",
          "val": 117409000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2022Q4I",
          "unit": "CNY"
        },
        {
          "end": "2021-12-31",
          "val": 770919000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2021Q4I",
          "unit": "CNY"
        },
        {
          "end": "2020-12-31",
          "val": 737789000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2020Q4I",
          "unit": "CNY"
        },
        {
          "end": "2019-12-31",
          "val": 526822932,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2019Q4I",
          "unit": "CNY"
        },
        {
          "end": "2018-12-31",
          "val": 203984074,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2018Q4I",
          "unit": "CNY"
        },
        {
          "end": "2017-12-31",
          "val": 43250595,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2017Q4I",
          "unit": "CNY"
        },
        {
          "end": "2024-12-31",
          "val": 26631000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 10362000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 17023000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 120974000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 113071138,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 75673379,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 29668253,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingExpenses",
      "taxonomy": "us-gaap",
      "label": "Operating expenses",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Recurring operating costs under this accounting concept, generally excluding production costs included in cost of sales. Check filing presentation before combining expense subtotals.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 441497000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 351145000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 900765000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 4467298000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 4722247000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 6682973000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 4500871132,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 535988852,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 61687002,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 60485000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 49459000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 130598000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 701016000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 723715963,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 959948944,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 654624556,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "GrossProfit",
      "taxonomy": "us-gaap",
      "label": "Gross profit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Revenue less the costs directly attributed to the goods or services sold. It precedes other operating expenses and is not net income.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 461541000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 329644000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 520438000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 3167977000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 3610779000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 3929449000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2518533056,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 440572455,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 50775991,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 63231000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 46430000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 75455000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 497125000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 553376074,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 564429967,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 366305440,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CostOfRevenue",
      "taxonomy": "us-gaap",
      "label": "Cost of revenue",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Costs attributed to goods produced and sold and services provided during the period. This is not the sum of every operating expense.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 559320000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 415568000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 548043000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1068340000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1643365000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1598220000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 497592461,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 75996476,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 7058321,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 76626000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 58532000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 79459000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 167646000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 251856712,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 229570004,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 72371822,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ResearchAndDevelopmentExpense",
      "taxonomy": "us-gaap",
      "label": "Research and development expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Research and development costs recognized as expense. Capitalization policies and acquired projects can make this differ from total cash invested in development.",
      "observations": [
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 71058000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "CNY"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 106592000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2023",
          "unit": "CNY"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 184604000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2022",
          "unit": "CNY"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 551612000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2021",
          "unit": "CNY"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 947871000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2020",
          "unit": "CNY"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 926232000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2019",
          "unit": "CNY"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 270107740,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2018",
          "unit": "CNY"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 15096815,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2017",
          "unit": "CNY"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2460972,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2016",
          "unit": "CNY"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 9735000,
          "accn": "0001641172-25-006814",
          "fy": 2024,
          "fp": "FY",
          "form": "20-F",
          "filed": "2025-04-30",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 15013000,
          "accn": "0001493152-24-019547",
          "fy": 2023,
          "fp": "FY",
          "form": "20-F",
          "filed": "2024-05-15",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 26765000,
          "accn": "0001193125-23-143457",
          "fy": 2022,
          "fp": "FY",
          "form": "20-F",
          "filed": "2023-05-12",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 86560000,
          "accn": "0001193125-22-136730",
          "fy": 2021,
          "fp": "FY",
          "form": "20-F",
          "filed": "2022-05-02",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 145267557,
          "accn": "0001193125-21-095533",
          "fy": 2020,
          "fp": "FY",
          "form": "20-F",
          "filed": "2021-03-26",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 133044842,
          "accn": "0001564590-20-018042",
          "fy": 2019,
          "fp": "FY",
          "form": "20-F",
          "filed": "2020-04-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 39285541,
          "accn": "0001564590-19-011318",
          "fy": 2018,
          "fp": "FY",
          "form": "20-F",
          "filed": "2019-04-11",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/ea1ab8a9852f4db216368c01a1660e195ac243f51637ab50d683a551d30a3c14.json.gz"
}
