Subsequent Events	12 Months Ended
Dec. 31, 2022
Subsequent Events.
Subsequent Events	23. Subsequent Events On March 14, 2023, the Company granted 535,955 restricted share units to certain director, executive officers and employees pursuant to the 2016 Share Incentive Plan. In addition, the Company granted ordinary share units representing 877,264 Class A ordinary shares through its employee incentive platform to certain executive officers and employees at nil subscription consideration. These grants vested immediately upon grant. The fair value of these share awards is RMB254,976 based on the market price at US$26.27 of ordinary shares on the grant date, which were expensed immediately. On March 14, 2023, the board of directors approved a special dividend of US$0.37 per ADS for 2022 to the shareholders of record as of the close of business on April 6, 2023.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI https://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration