Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Payables and Accruals [Abstract]
Compensation, including bonuses, fringe benefits, and payroll taxes	$ 7,855	$ 11,611
Professional fees, investigator fees, and pass-through expenses	3,350	3,174
Current portion of operating lease liabilities	983	1,120
Commissions payable	1,195	1,168
Other	$ 1,297	$ 0
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Total accrued expenses and other liabilities	Total accrued expenses and other liabilities
Total accrued expenses and other liabilities	$ 14,680	$ 17,073