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Intangible Assets - Additional Information (Detail) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Information For Individual Asset Or Cash Generating Unit With Significant Amount Of Intangible Assets With Indefinite Useful Lives [Line Items]      
impairment losses, intangible assets ¥ (963,948) ¥ (64,209) ¥ (64,209)
Intangible assets other than goodwill [member]      
Disclosure Of Information For Individual Asset Or Cash Generating Unit With Significant Amount Of Intangible Assets With Indefinite Useful Lives [Line Items]      
Discount rate used in current estimate of value in use 20.00%