Transactions with Variable Interest Entities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Variable Interest Entities
Accrual for third-party losses	$ 2,570	$ 4,513
Total gross finance receivables for which accrual for third-party lender losses has been recorded	3,474
Debt buyer liability	3,474
Insight Holdings
Variable Interest Entities
Outstanding amount of active third party consumer loans	12,096	34,144
Accrual for third-party losses	2,570	4,513
Short-term consumer loans | Insight Holdings
Variable Interest Entities
Outstanding amount of active third party consumer loans	4,953	33,841
Medium-term consumer loans
Variable Interest Entities
Outstanding amount of active third party consumer loans	7,143	303
Third party lender
Variable Interest Entities
Total gross finance receivables for which accrual for third-party lender losses has been recorded	$ 28,444	$ 3,474