Business and Summary of Significant Accounting Policies - Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Jan. 01, 2019
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Merchant fee percent		$ 2,592
Retained Earnings | Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Merchant fee percent		$ 2,592
Credit Card Loans | Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Merchant fee	3.00%
Credit Card Loans | Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Merchant fee	25.00%