INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets
Net operating loss and tax credit carryforwards	$ 47,733	$ 54,210
Interest expense limitation	7,282	7,344
Pension obligation	7,301	10,778
Employee bonuses and commissions	9,276	3,861
Depreciation and amortization	25,879	26,358
Operating lease liabilities	10,136	19,405
Other	17,102	20,288
Deferred tax assets	124,709	142,244
Less: Valuation allowance	(36,046)	(42,051)
Net deferred tax assets	88,663	100,193
Deferred tax liabilities
Depreciation and amortization	35,678	37,515
Unremitted earnings	4,115	4,435
Operating lease right-of-use assets	8,392	17,558
Other	1,801	3,364
Deferred tax liabilities	49,986	62,872
Net deferred tax assets	38,677	37,321
Other assets
Deferred tax liabilities
Deferred income tax assets	48,100	47,200
Other long-term liabilities
Deferred tax liabilities
Deferred income tax liabilities	$ 9,400	$ 9,900

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