FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Fair value
Financial assets
Collateral security account	$ 2,812	$ 3,165
Financial liabilities
Fixed rate debentures	3,116	3,035
Senior Notes	50,690	195,000
Contingent Earn-Out	6,930	6,530
Carrying amount
Financial assets
Collateral security account	2,812	3,165
Financial liabilities
Fixed rate debentures	1,636	1,636
Senior Notes	227,683	296,053
Contingent Earn-Out	$ 6,930	6,530
Senior Notes.
Fair value of financial instruments
Interest rate (as a percent)	9.00%
Financial liabilities
Senior Notes	$ 50,700
The "Credit Facility" \| Fair value
Financial liabilities
Line of credit		134,749
The "Credit Facility" \| Carrying amount
Financial liabilities
Line of credit		$ 134,749
The "First Lien Credit Facility" \| Fair value
Financial liabilities
Line of credit	219,665
The "First Lien Credit Facility" \| Carrying amount
Financial liabilities
Line of credit	$ 219,665

Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Convertible Security

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Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Fair value portion of contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Line-of-Credit Arrangement

-URI http://asc.fasb.org/extlink&oid=6517033

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Fair value of financial instrument held by the entity for its own account (proprietary securities) for trading or investment purposes that are carried at fair value and pledged to counterparties as collateral for financing transactions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 30

-Section 50

-Paragraph 1A

-Subparagraph (b)(1)(i)

-URI http://asc.fasb.org/extlink&oid=55761124&loc=SL6224234-111729

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-Section 45

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Fair value portion of contingent earn out liabilities.

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