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Significant Accounting Policies - Summary of Contract Liabilities Consist of Deferred Revenue (Detail) - CNY (¥)
¥ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Jan. 01, 2019
Disclosure of Schedule of contract liabilities consist of deferred revenue [Abstract]        
Deferred revenue ¥ 20,657 ¥ 17,001 ¥ 14,530 ¥ 10,668