CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Accounts receivable, allowance for credit losses	$ 345	$ 350
Securities owned, amounts pledged	689,381	175,724
Net accumulated depreciation	82,732	97,751
Right-of-use lease assets, accumulated amortization	99,716	82,449
Unamortized debt issuance expense	392	616
Deferred tax assets	$ 45,961	$ 55,628
Common stock, par value (in dollars per share)	$ 0.001
Class A Stock
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	50,000,000	50,000,000
Common stock, issued (in shares)	10,186,783	10,868,556
Common stock, outstanding (in shares)	10,186,783	10,868,556
Class B Stock
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	99,665	99,665
Common stock, issued (in shares)	99,665	99,665
Common stock, outstanding (in shares)	99,665	99,665