Principal Activities and Reorganization - Additional Information (Details) - CNY (¥)	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Principal Activities And Reorganization [Line Items]
Date of incorporation	Sep. 06, 2016
Variable Interest Entity Primary Beneficiary
Principal Activities And Reorganization [Line Items]
Inter-company revenues	¥ 0	¥ 0	¥ 0
Proceeds from advances from consolidated entities	117,000,000	0	129,664,000
Repayment of advances to consolidated entities	42,000,000	0	¥ 36,664,000
Amount due to related party debt	¥ 168,000,000	¥ 93,000,000
Technology Consulting and Service Agreement
Principal Activities And Reorganization [Line Items]
Term of agreement termination notice period	30 days
Effective Period of Agreement	10 years

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The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

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The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income after deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Amount due to related party debt.

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Effective period of agreement.

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Principal activities and reorganization.

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