CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Accounts receivable, allowance for credit losses	$ 175	$ 345
Securities owned, amounts pledged	1,015,604	689,381
Net accumulated depreciation	92,390	82,732
Right-of-use lease assets, accumulated amortization	118,325	99,716
Unamortized debt issuance expense	0	392
Deferred tax assets	$ 48,640	$ 45,961
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)	10,231,736	10,186,783
Common stock, outstanding (in shares)	10,231,736	10,186,783
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