XML 53 R79.htm IDEA: XBRL DOCUMENT v3.20.1
Accounts Receivable and Contract Assets - Schedule of Movement of Provision for Accounts Receivable (Detail) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Receivables [Abstract]    
Beginning balance ¥ 50,544  
Impact due to adoption of new revenue standard   ¥ 16,501
Current period accrual 274,375 107,352
Current period reversal (12,493) (700)
Current period write-off (166,727) (72,609)
Ending balance ¥ 145,699 ¥ 50,544