Other Comprehensive Income (Loss) - Accumulated other comprehensive income (loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss)
Accumulated other comprehensive income (loss), balance at beginning of period, net	$ (855)	$ (18)
Foreign currency translation adjustments	1,787	(827)	$ 223
Foreign currency translation adjustments, net of tax	1,305	(766)
Other comprehensive income (loss) before reclassification	(159)	(22)
Amounts reclassified from accumulated other comprehensive income (loss)	(10)	(49)
Accumulated other comprehensive income (loss), balance at end of period, net	281	(855)	(18)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss)
Accumulated other comprehensive income (loss), balance at beginning of period, net	(859)	(93)
Foreign currency translation adjustments, net of tax	1,305	(766)
Accumulated other comprehensive income (loss), balance at end of period, net	446	(859)	(93)
Unrealized/Recognized Gains (Losses)
Accumulated Other Comprehensive Income (Loss)
Accumulated other comprehensive income (loss), balance at beginning of period, net	4	75
Other comprehensive income (loss) before reclassification	(159)	(22)
Amounts reclassified from accumulated other comprehensive income (loss)	(10)	(49)
Accumulated other comprehensive income (loss), balance at end of period, net	$ (165)	$ 4	$ 75