Summary of Significant Accounting Policies - Schedule of allowance for credit loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 663	$ 162
Provision for credit losses	(303)	847
Collected	(130)	(242)
Written-off	(90)	(104)
Ending balance	$ 140	$ 663