Loans Receivable - Components of Loans Receivable, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Gross	$ 88,921		$ 96,094
Allowance for Loan Losses	(12,783)	$ (12,363)	(12,970)	$ (11,586)	$ (10,699)	$ (11,454)
Unamortized Fees	(6,164)		(6,971)
Loans Receivable, Net of Allowances and Unamortized Fees	69,974		76,153
Credit Card Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Gross	86,763		90,406
Acquired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Gross	$ 2,158		$ 5,688