XML 35 R57.htm IDEA: XBRL DOCUMENT v3.20.1
Summary of Significant Accounting Policies - Schedule of Guarantee and Quality Assurance Fund Obligations Movement Activities (Detail)
¥ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2019
CNY (¥)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
CNY (¥)
Dec. 31, 2017
CNY (¥)
Accounting Policies [Abstract]        
Opening balance ¥ 3,819,379   ¥ 2,062,844 ¥ 473,704
Fair value of newly written guarantee and quality assurance obligation 6,156,826   5,313,489 3,318,432
Release of guarantee and quality assurance payable upon repayment (6,718,809)   (4,049,457) (2,506,141)
Contingent liability 6,409,884   3,380,930 2,527,209
Payouts during the year (12,299,134)   (7,889,277) (4,812,797)
Recoveries during the year 7,408,007   5,000,850 3,062,437
Ending balance ¥ 4,776,153 $ 686,051 ¥ 3,819,379 ¥ 2,062,844