GENERAL - Schedule of Unaudited Condensed Consolidated Financial Statements of Debtors - Unaudited Condensed Consolidated Statement of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net loss	$ (30,015)	$ (12,985)	$ (24,353)	$ (14,531)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization			12,503	9,886
Equity-based compensation cost			(391)	2,344
Gain on sale of disposal and equipment			(284)	(648)
Amortization of loan issuance costs and debt discounts			2,785	2,835
Unrealized loss on foreign currency transactions			4,709	610
Noncash reorganization expenses			11,885	0
Changes in operating assets and liabilities			13,325	(6,607)
Net cash provided by (used in) operating activities			33,928	(1,375)
Cash flows from investing activities:
Purchases of property and equipment			(1,150)	(1,158)
Proceeds from disposal of property and equipment			514	696
Net cash used in investing activities			(636)	(462)
Cash flows from financing activities:
Long-term debt and finance lease repayments			(16,890)	(7,604)
Long-term debt borrowings			6,801	17,666
Net cash (used in) provided by financing activities			(16,074)	7,546
Effect of exchange rate changes on cash, cash equivalents and restricted cash			(671)	76
Net change in cash, cash equivalents and restricted cash			16,547	5,785
Cash, cash equivalents and restricted cash at the beginning of year			5,515	7,850
Cash, cash equivalents and restricted cash at the end of period	22,062	$ 13,635	22,062	$ 13,635
Debtors
Cash flows from operating activities:
Net loss			(20,966)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization			9,248
Equity-based compensation cost			(391)
Gain on sale of disposal and equipment			(131)
Amortization of loan issuance costs and debt discounts			2,785
Unrealized loss on foreign currency transactions			148
Noncash reorganization expenses			11,885
Equity in earnings of affiliate			(2,504)
Distributions from non-debtor affiliate			5,750
Changes in operating assets and liabilities			16,942
Net cash provided by (used in) operating activities			22,766
Cash flows from investing activities:
Purchases of property and equipment			(994)
Proceeds from disposal of property and equipment			362
Investment in non-debtor affiliate			(31)
Net cash used in investing activities			(663)
Cash flows from financing activities:
Long-term debt and finance lease repayments			(16,890)
Long-term debt borrowings			6,801
Intercompany lending			271
Net cash (used in) provided by financing activities			(9,818)
Effect of exchange rate changes on cash, cash equivalents and restricted cash			(91)
Net change in cash, cash equivalents and restricted cash			12,194
Cash, cash equivalents and restricted cash at the beginning of year			3,145
Cash, cash equivalents and restricted cash at the end of period	$ 15,339		$ 15,339