Loans Receivable - Aging of the Loans Receivable Balance (Details) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2020 |
Dec. 31, 2019 |
|
| Financing Receivable, Past Due [Line Items] | ||
| Past due loans receivable | 11.20% | 15.50% |
| Current loans receivable | 88.80% | 84.50% |
| Balance of Credit Card Loans on Nonaccrual Status | $ 2,038 | $ 2,284 |
| 30-59 days past due | ||
| Financing Receivable, Past Due [Line Items] | ||
| Past due loans receivable | 5.10% | 6.90% |
| 60-89 days past due | ||
| Financing Receivable, Past Due [Line Items] | ||
| Past due loans receivable | 2.50% | 3.60% |
| 90 or more days past due | ||
| Financing Receivable, Past Due [Line Items] | ||
| Past due loans receivable | 3.60% | 5.00% |
| Balance of Loans Receivable 90 or More Days Past Due and Still Accruing Interest and Fees | $ 0 | $ 0 |