INCOME TAXES - Temporary Differences Related to Deferred Income Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred income tax assets:
Share-based compensation	$ 1,973	$ 2,123
State tax credit carryforwards	2,343	2,986
Operating loss carryforwards	2,416	1,264
Inventories	1,923	2,077
Operating lease liabilities	2,536	1,322
Deferred compensation	1,357	1,250
Other	3,362	1,732
Gross deferred income tax assets	15,910	12,754
Less: valuation allowance	(1,657)	(862)
Net deferred income tax assets	14,253	11,892
Deferred income tax liabilities:
Property, plant and equipment	(24,627)	(12,205)
Intangibles	(46,956)	0
Inventory	(4,307)	0
Operating lease right-of-use assets	(2,487)	(1,318)
Other	(1,977)	(667)
Gross deferred income tax liabilities	(80,354)	(14,190)
Net deferred income tax liability	$ (66,101)	$ (2,298)