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Shareholders' Equity - Summary Of Accumulated Other Comprehensive Income Loss (Detail)
¥ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Class of Stock [Line Items]        
Balance ¥ 334,046   ¥ 277,700 ¥ 315,355
Other comprehensive (loss) income 20,896 $ 3,030 (7,836) (8,245)
Balance 124,678 18,077 334,046 277,700
Accumulated Other Comprehensive Income (loss) [Member]        
Class of Stock [Line Items]        
Balance (5,886)   1,950 10,195
Other comprehensive (loss) income 20,896   (7,836) (8,245)
Balance 15,010 2,176 (5,886) 1,950
Accumulated Other Comprehensive Income (loss) [Member] | Foreign currency translation adjustment        
Class of Stock [Line Items]        
Balance (5,886)   221 10,195
Other comprehensive (loss) income 20,896   (6,107) (9,974)
Balance 15,010 2,176 (5,886) 221
Accumulated Other Comprehensive Income (loss) [Member] | Unrealized (realized) gains on available-for-sales investments        
Class of Stock [Line Items]        
Balance 0   1,729 0
Other comprehensive (loss) income 0   (1,729) 1,729
Balance ¥ 0 $ 0 ¥ 0 ¥ 1,729