Accounts receivable (Tables)

3 Months Ended

Mar. 31, 2021

Receivables [Abstract]

Summary of accounts receivable allowance for credit losses

The following sets forth activities in our allowance for credit losses (in thousands):

	Total
Balance as of January 1, 2021	$	1,118
Charges to provision for credit losses		230
Write-off of uncollectible receivables		(117	)
Balance as of March 31, 2021	$	1,231