CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Accounts receivable, allowance for credit losses	$ 131	$ 175
Securities owned, amounts pledged	1,179,503	1,015,604
Net accumulated depreciation	101,962	92,390
Right-of-use lease assets, accumulated amortization	137,005	118,325
Deferred tax assets	$ 50,032	$ 48,640
Common stock, issued (in shares)	10,487,240	10,331,401
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)	10,387,575	10,231,736
Common stock, outstanding (in shares)	10,387,575	10,231,736
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