SIGNIFICANT ACCOUNTING POLICIES - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment
Property, plant and equipment	$ 191,022	$ 180,278
Land
Property, Plant and Equipment
Property, plant and equipment	5,725	3,634
Buildings and improvements
Property, Plant and Equipment
Property, plant and equipment	$ 58,536	59,556
Buildings and improvements | Minimum
Property, Plant and Equipment
Estimated useful life	15 years
Buildings and improvements | Maximum
Property, Plant and Equipment
Estimated useful life	40 years
Manufacturing equipment and tooling
Property, Plant and Equipment
Property, plant and equipment	$ 79,855	72,992
Manufacturing equipment and tooling | Minimum
Property, Plant and Equipment
Estimated useful life	3 years
Manufacturing equipment and tooling | Maximum
Property, Plant and Equipment
Estimated useful life	15 years
Furniture, fixtures and computer equipment
Property, Plant and Equipment
Property, plant and equipment	$ 18,910	22,194
Furniture, fixtures and computer equipment | Minimum
Property, Plant and Equipment
Estimated useful life	3 years
Furniture, fixtures and computer equipment | Maximum
Property, Plant and Equipment
Estimated useful life	10 years
Other
Property, Plant and Equipment
Property, plant and equipment	$ 14,926	7,261
Other | Minimum
Property, Plant and Equipment
Estimated useful life	3 years
Other | Maximum
Property, Plant and Equipment
Estimated useful life	10 years
Construction in process
Property, Plant and Equipment
Property, plant and equipment	$ 13,070	$ 14,641