Stockholders' equity (Tables)

3 Months Ended

Mar. 31, 2021

Stockholders' Equity Note [Abstract]

Schedule of accumulated other comprehensive income, net of related taxes

The components of accumulated other comprehensive loss, net of related taxes, were as follows (in thousands):

	Foreign Currency Translation Adjustments		Defined Benefit Pension Plan Adjustment		Total Accumulated Other Comprehensive Income (Loss)
Balance as of December 31, 2020	$	1,951	$	(216)	$	1,735
Other comprehensive loss, net of taxes of zero	(2,343)		—		(2,343)
Balances at March 31, 2021	$	(392)	$	(216)	$	(608)