Loans Receivable - Components of Loans Receivable, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Gross	$ 92,100		$ 96,094
Allowance for Loan Losses	(14,054)	$ (12,783)	(12,970)	$ (13,138)	$ (11,586)	$ (11,454)
Unamortized Fees	(5,916)		(6,971)
Loans Receivable, Net of Allowances and Unamortized Fees	72,130		76,153
Credit Card Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Gross	91,279		90,406
Acquired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable, Gross	$ 821		$ 5,688