Composition of Certain Financial Statement Captions - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Items Included in Consolidated Statement of Financial Condition [Abstract]
Depreciation	$ 7,927,000	$ 8,389,000
Deferred contract costs	47,751,000		$ 45,855,000
Capitalized contract cost, amount capitalized during period	5,410,000	2,391,000
Amortization of deferred contract costs	3,119,000	$ 2,612,000
Capitalized contract cost impairment	$ 0