Basis and Summary of Significant Accounting Policies - Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands |
6 Months Ended | ||
|---|---|---|---|
Jun. 30, 2019 |
Mar. 31, 2019 |
Jan. 01, 2019 |
|
| Accounting Standards Update 2016-02 | |||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||
| Opening Balance Sheet Adjustment - ASC 842, net of taxes | $ 2,592 | ||
| Accounting Standards Update 2016-02 | Retained Earnings | |||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||
| Opening Balance Sheet Adjustment - ASC 842, net of taxes | $ 2,592 | $ 2,600 | |
| Minimum | Credit Card Loans | |||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||
| Merchant fee percent | 3.00% | ||
| Maximum | Credit Card Loans | |||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||
| Merchant fee percent | 25.00% |