XML 81 R68.htm IDEA: XBRL DOCUMENT v3.8.0.1
Subsequent Events - Additional Information (Detail) - USD ($)
Oct. 01, 2017
Oct. 10, 2017
Sep. 30, 2017
Subsequent Event [Line Items]      
Principal amount outstanding of loans underlying the redeemed Certificates     $ 424,600,000
Warehouse Credit Agreement | Revolving Credit Facility | LendingClub Warehouse LLC | Subsequent Event      
Subsequent Event [Line Items]      
Maximum borrowing capacity   $ 250,000,000  
Amount drawn on Warehouse Credit Facility $ 138,000,000