STOCK-BASED COMPENSATION - Expense (Details) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allocated share-based compensation expense	$ 10,400	$ 12,800	$ 9,100
Tax benefit from compensation expense	$ 1,000	$ 1,600	$ 1,400
Employee Stock Purchase Plan 2016 [Member]
Stock-based compensation shares available	200
Discount from market price (as a percent)	15.00%
Employee share plan issued (in shares)	14	13	6
Allocated share-based compensation expense	$ 123	$ 180	$ 147
Stock Incentive Plan 2008 [Member]
Stock-based compensation shares available	500
Allocated share-based compensation expense	$ 10,366	12,756	9,070
Cost of sales [Member] | Employee Stock Purchase Plan 2016 [Member]
Allocated share-based compensation expense	15	21	18
Cost of sales [Member] | Stock Incentive Plan 2008 [Member]
Allocated share-based compensation expense	5	115	101
Research and development Expense [Member] | Employee Stock Purchase Plan 2016 [Member]
Allocated share-based compensation expense	21	36	29
Research and development Expense [Member] | Stock Incentive Plan 2008 [Member]
Allocated share-based compensation expense	543	561	756
Selling, general and administrative Expenses [Member] | Employee Stock Purchase Plan 2016 [Member]
Allocated share-based compensation expense	87	123	100
Selling, general and administrative Expenses [Member] | Stock Incentive Plan 2008 [Member]
Allocated share-based compensation expense	$ 9,818	$ 12,080	$ 8,213