Revenue - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Contract assets	$ 0	$ 0
Deferred revenue current	6,800,000	4,800,000
Deferred revenue, non-current	200,000	200,000
Deferred revenue, revenue recognized	4,800,000	4,000,000.0
Deferred costs, current	200,000	100,000
Deferred costs, non-current	1,300,000	500,000
Impairment losses	$ 0	$ 0