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2. SUMMARY OF ACCOUNTING POLICIES (Details - Fair Value Measurements) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Term Loans	$ 603,731	$ 620,272
Total Fair Value [Member]
Interest rate contracts (Current and other non-current liabilities)	5,159
Interest rate contracts (Current assets)		(595)
Total Fair Value [Member] | First Lien Term Loans [Member]
Term Loans	605,240	628,801
Level 1 [Member]
Interest rate contracts (Current and other non-current liabilities)	0
Interest rate contracts (Current assets)		0
Level 1 [Member] | First Lien Term Loan [Member]
Term Loans	0	0
Level 2 [Member]
Interest rate contracts (Current and other non-current liabilities)	5,159
Interest rate contracts (Current assets)		(595)
Level 2 [Member] | First Lien Term Loans [Member]
Term Loans	605,240	628,801
Level 3 [Member]
Interest rate contracts (Current and other non-current liabilities)	0
Interest rate contracts (Current assets)		0
Level 3 [Member] | First Lien Term Loans [Member]
Term Loans	$ 0	$ 0

X

- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

+ Details

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X

- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611

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X

- Definition

Fair value of financial and nonfinancial obligations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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