INCOME TAXES - Deferred Tax Assets and Deferred Tax Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Accrued compensation and benefits	$ 9,058	$ 8,909
Receivables	1,551	1,644
Inventory	336	397
Share based compensation	256	768
Other accrued liabilities	2,109	1,247
Tax credit carry forward	3,642	312
Interest expense limitation	7,040	7,719
Goodwill and intangible costs	6,754	0
Net operating loss carry forwards	58,759	50,447
Other	1,013	1,798
Deferred tax assets	90,518	73,241
Less: Valuation allowance	(53,417)	(14,912)
Deferred tax assets, net	37,101	58,329
Deferred tax liabilities:
Property, plant and equipment	(23,783)	(17,921)
Goodwill and intangible costs	0	(28,655)
Unremitted earnings of foreign subsidiaries	(5,918)	(5,393)
Convertible debt	(1,755)	(5,767)
Other	(3,230)	(2,400)
Deferred tax liabilities	(34,686)	(60,136)
Net deferred tax asset (liability)	$ 2,415
Net deferred tax asset (liability)		$ (1,807)