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INCOME TAXES - Summary of income tax expense (Detail)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2020
CNY (¥)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
CNY (¥)
Dec. 31, 2018
CNY (¥)
Income Tax Disclosure [Abstract]        
Current income tax expense: ¥ 83,216   ¥ 168,924 ¥ 111,552
Deferred income tax (benefit) expense: 25,595   (131,917) (17,637)
Total income tax expense ¥ 108,811 $ 16,676 ¥ 37,007 ¥ 93,915