v3.19.1

BASIS OF PRESENTATION AND ORGANIZATION (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Jan. 01, 2019
Organization Consolidation And Presentation Of Financial Statements Abstract
CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption			$ 4,719
NewAccountingPronouncementOrChangeInAccountingPrincipleRetrospectiveAdjustmentsAbstract
Cumulative Effect Adj - Modified Retrospective - Net Impact on Accumulated Deficit	$ 4,700
Cumulative Effect Adj - Modified Retrospective - Tax Impact on Accum Deficit			$ 1,700
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Operating Costs and Expenses	$ 248,985	$ 255,725

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22583-107794

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22499-107794

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-Name Accounting Standards Codification
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