Fixed and Intangible Assets - Schedule of Equipment and Leasehold Improvements, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Equipment and Leasehold Improvements, Net
Total	$ 110,315	$ 106,698
Less: Accumulated depreciation and amortization	(43,522)	(42,895)
Equipment and leasehold improvements, net	66,793	63,803
Office Equipment
Equipment and Leasehold Improvements, Net
Total	17,535	18,931
Furniture and Fixtures
Equipment and Leasehold Improvements, Net
Total	16,371	16,143
Leasehold Improvements
Equipment and Leasehold Improvements, Net
Total	72,687	69,910
Construction in progress
Equipment and Leasehold Improvements, Net
Total	$ 3,722	$ 1,714