Fixed and Intangible Assets - Schedule of Equipment and Leasehold Improvements, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Equipment and Leasehold Improvements, Net
Total	$ 104,648	$ 93,274
Less: Accumulated depreciation and amortization	(42,104)	(36,122)
Equipment and leasehold improvements, net	62,544	57,152
Office Equipment
Equipment and Leasehold Improvements, Net
Total	18,217	16,157
Furniture and Fixtures
Equipment and Leasehold Improvements, Net
Total	14,452	14,386
Leasehold Improvements
Equipment and Leasehold Improvements, Net
Total	62,365	61,293
Construction in progress
Equipment and Leasehold Improvements, Net
Total	$ 9,614	$ 1,438