Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Sep. 15, 2015
Allowance for credit losses	$ 886	$ 769
Amounts pledged	518,000	655,700
Furniture equipment and leasehold improvements, net accumulated depreciation	89,182	82,826
Net deferred tax assets	44,926	47,597
Notes Receivable, Net Accumulated Amortization	25,109	24,705
Notes Receivable, Net Allowance for Uncollectibles	6,800	7,975
Unamortized debt issuance expense	$ 904	$ 1,163
Common Class A [Member]
Common stock, authorized	50,000,000	50,000,000
Common stock, shares issued	12,941,809	13,139,203
Common stock, shares outstanding	12,941,809	13,139,203	13,261,095	13,348,369
Common stock, par value	$ 0.001	$ 0.001
Class B Stock
Common stock, authorized	99,665	99,665
Common stock, shares issued	99,665	99,665
Common stock, shares outstanding	99,665	99,665
Common stock, par value	$ 0.001	$ 0.001