Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Allowance for credit losses	$ 410	$ 451
Amounts pledged	440,531	357,120
Furniture equipment and leasehold improvements, net accumulated depreciation	90,958	94,773
Accounts and Notes Receivable, Accumulated Amortization	26,758	38,355
Beginning balance	4,234	3,673
Unamortized debt issuance expense	1,154	485
Operating Lease Right-of-use Asset Accumulated Amortization	50,336	25,186
Deferred Income Tax Liabilities, Net
Net deferred tax assets	$ 44,104	$ 43,630
Common Class A [Member]
Common stock, authorized	50,000,000	50,000,000
Common stock, shares issued	12,381,778	12,698,703
Common stock, shares outstanding	12,381,778	12,698,703
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