Fixed and Intangible Assets - Schedule of Equipment and Leasehold Improvements, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Equipment and Leasehold Improvements, Net
Total	$ 106,698	$ 93,274
Less: Accumulated depreciation and amortization	(42,895)	(36,122)
Equipment and leasehold improvements, net	63,803	57,152
Office Equipment
Equipment and Leasehold Improvements, Net
Total	18,931	16,157
Furniture and Fixtures
Equipment and Leasehold Improvements, Net
Total	16,143	14,386
Leasehold Improvements
Equipment and Leasehold Improvements, Net
Total	69,910	61,293
Construction in progress
Equipment and Leasehold Improvements, Net
Total	$ 1,714	$ 1,438