Furniture, Equipment and Leasehold Improvements (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Abstract]
Depreciation, Depletion and Amortization	$ 24,348	$ 27,377	$ 27,737
Hosting Arrangement, Service Contract, Implementation Cost, Capitalized, before Accumulated Amortization	17,044	11,437
Hosting Arrangement, Service Contract, Implementation Cost, Expense, Amortization	$ 2,631	$ 1,670	$ 1,245