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Related Party Balances and Transactions - Convertible notes issued to related parties and interest accrual (Details) - CNY (¥) ¥ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Related Party Balances and Transactions
Convertible notes issued to related parties and interest accrual	¥ 13,712	¥ 15,316	¥ 123,945
Huang River Investment Limited
Related Party Balances and Transactions
Convertible notes issued to related parties and interest accrual	¥ 13,712	¥ 15,316	22,018
Serene View Investment Limited
Related Party Balances and Transactions
Convertible notes issued to related parties and interest accrual			¥ 101,927

X

- Definition

The amount for notes payable (written promise to pay), due to related parties.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.17)
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(k)(1))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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