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ACCOUNTS RECEIVABLE AND CONTRACT ASSETS, NET - Summary of accounts receivable (Detail) - CNY (¥)
¥ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Receivables [Abstract]      
Receivables for loan facilitation and post-origination service from borrowers   ¥ 170,898  
Receivables for loan referral service from institutional funding partners ¥ 109,910 28,945  
Less: allowance for credit losses   (60,679) ¥ (28,014)
Total accounts receivable ¥ 109,910 ¥ 139,164