SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Correction of Immaterial Errors on Consolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss	$ (11,394)	$ (18,386)	$ (14,792)	$ (22,930)
Depreciation and amortization expense			12,505	9,680
Deferred taxes			(2,751)	3,062
Increase (Decrease) in Inventories			1,561	3,639
Net Cash Provided by (Used in) Operating Activities			(13,405)	(4,841)
Payments to Acquire Property, Plant, and Equipment			2,055	3,679
Net Cash Provided by (Used in) Investing Activities			$ (2,055)	(239,770)
Scenario, Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss		(17,787)		(21,671)
Depreciation and amortization expense				8,912
Deferred taxes				3,127
Increase (Decrease) in Inventories				2,200
Net Cash Provided by (Used in) Operating Activities				(2,846)
Payments to Acquire Property, Plant, and Equipment				5,674
Net Cash Provided by (Used in) Investing Activities				(241,765)
Restatement Adjustment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss		$ (599)		(1,259)
Depreciation and amortization expense				768
Deferred taxes				(65)
Increase (Decrease) in Inventories				(1,439)
Net Cash Provided by (Used in) Operating Activities				(1,995)
Payments to Acquire Property, Plant, and Equipment				1,995
Net Cash Provided by (Used in) Investing Activities				$ 1,995