INCOME TAXES - Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Accrued compensation and benefits	$ 7,630	$ 7,831
Receivables	552	1,345
Inventory	296	316
Share based compensation	258	271
Other accrued liabilities	2,940	3,467
Tax credit carry forward	2,314	3,613
Interest expense limitation	28,137	22,312
Goodwill and intangible costs	10,143	9,221
Convertible debt	1,780	0
Net operating loss carry forwards	38,860	68,972
Other	1,770	2,428
Deferred tax assets	94,680	119,776
Less: Valuation allowance	(73,483)	(89,191)
Deferred tax assets, net	21,197	30,585
Deferred tax liabilities:
Property, plant and equipment	(17,642)	(20,267)
Unremitted earnings of foreign subsidiaries	(3,581)	(3,944)
Convertible debt	0	(7,359)
Other	(3,260)	(2,408)
Deferred tax liabilities	(24,483)	(33,978)
Net deferred tax asset (liability)	$ (3,286)	$ (3,393)