Summary of Accounting Policies - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Accounting Policies [Line Items]
Total revenues	$ 20,022,000	$ 32,055,000
Change in allowance for doubtful accounts	1,819,000		$ 1,517,000
Contract liabilities	230,000		$ 357,000
Non-US
Accounting Policies [Line Items]
Total revenues	$ 2,931,000	$ 0