Fixed and Intangible Assets - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Equipment and Leasehold Improvements, Net
Depreciation and amortization expenses	$ 7,242	$ 4,708	$ 4,965
Prepaid Expenses and Other Assets
Equipment and Leasehold Improvements, Net
Costs capitalized	2,127	2,503
Accumulated amortization, net	744	256
Communication, Technology and Information Services
Equipment and Leasehold Improvements, Net
Amortization expense of capitalized costs	$ 488	$ 256