Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Losses	$ 9,358	$ 8,524
Operating lease liabilities	12,200	10,216
Compensation related deductions	6,795	5,955
Inventories	6,594	5,090
Tax credits	2,786	2,958
Restructuring related liabilities	206	185
Warranty	700	720
Other	197	957
Total deferred tax assets	38,836	34,605
Valuation allowance on deferred tax assets	(12,608)	(11,561)
Net deferred tax assets	26,228	23,044
Deferred tax liabilities:
Depreciation	(2,585)	(1,583)
Amortization	(32,117)	(24,772)
Unrealized currency gains/losses		(372)
Operating lease right-of-use assets	(11,667)	(9,960)
Deferred revenue	(1,391)
Total deferred tax liabilities	(47,760)	(36,687)
Net deferred income tax (liabilities)	$ (21,532)	$ (13,643)