Loans Receivable - Components of Loans Receivable, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Financing Receivable, after Allowance for Credit Loss [Abstract]
Loans Receivable, Gross	$ 96,387	$ 96,094
Allowance for Loan Losses	(14,911)	(12,970)	$ (11,454)
Unamortized Fees	(6,223)	(6,971)
Loans Receivable, Net of Allowances and Unamortized Fees	75,253	76,153
Credit Card Loans
Financing Receivable, after Allowance for Credit Loss [Abstract]
Loans Receivable, Gross	96,387	90,406
Acquired Loans
Financing Receivable, after Allowance for Credit Loss [Abstract]
Loans Receivable, Gross	$ 0	$ 5,688