Summary of significant accounting policies (Tables)

9 Months Ended

Sep. 30, 2022

Accounting Policies [Abstract]

Accounts Receivable, Allowance for Credit Loss

	Balance at Beginning of Period		Charged to Expenses		Charges Utilized/Written-off		Balance at End of Period
Allowance for doubtful accounts
Nine months ended September 30, 2022	$	678	$	467	$	(73)	$	1,072
Nine months ended September 30, 2021	$	643	$	324	$	(260)	$	707