INCOME TAXES - Income Tax Rate Reconciliation (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Pre-tax loss from continuing operations	$ (174,810)	$ (251,918)	$ (32,853)
Computed income taxes at statutory rate	(36,710)	(52,903)	(6,899)
State income taxes, net of federal benefit	561	(114)	(820)
Foreign tax rate differential	613	404	(300)
Non-cash compensation	842	926	323
Deferred taxes on investment in foreign subsidiaries	(1,939)	525	18
Non-deductible expenses	767	518	658
Non-deductible compensation	(522)	89	559
Foreign withholding	1,708	1,063	670
Prior year tax adjustments	993	707	954
Convertible debt	0	(2,949)	0
Goodwill impairment	9,892	12,586	0
Valuation allowance	34,284	32,957	3,682
Cares Act rate benefit	0	(7,267)	0
Rate change	(186)	(551)	684
Other	906	(706)	35
Total expense (benefit) for income tax on continuing operations	$ 11,209	$ (14,715)	$ (436)