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INTEREST RATE SWAP AGREEMENTS (Details) $ in Thousands	Jul. 09, 2014 item	Apr. 30, 2014 USD ($)	Dec. 31, 2014 item	Dec. 31, 2013 USD ($) derivative
Interest rate swaps designated as cash flow hedges
Number of interest rate swaps | item			0
Predecessor
Interest rate swaps designated as cash flow hedges
Number of expired interest rate swap agreements | item	3
Notional amount outstanding				$ 306,233
Number of interest rate swaps | derivative				4
Interest Rate Swap, 4.485% | Predecessor
Interest rate swaps designated as cash flow hedges
Fixed rate (as a percent)				4.485%
Notional amount outstanding				$ 106,233
Interest Rate Swap, 5.25% | Predecessor
Interest rate swaps designated as cash flow hedges
Fixed rate (as a percent)				5.25%
Notional amount outstanding				$ 50,000
Interest Rate Swap, 2.05% | Predecessor
Interest rate swaps designated as cash flow hedges
Fixed rate (as a percent)				2.05%
Notional amount outstanding				$ 100,000
Interest Rate Swap, 2.45% | Predecessor
Interest rate swaps designated as cash flow hedges
Fixed rate (as a percent)				2.45%
Notional amount outstanding				$ 50,000
Chapter 11 | DNB Bank ASA | Predecessor
Interest rate swaps designated as cash flow hedges
Secured claim issued with the Bankruptcy Court		$ 5,622
2007 Credit Facility | Predecessor
Interest rate swaps designated as cash flow hedges
Term of interest periods when Company is in default under covenants of 2007 Credit Facility	1 month

X

- Definition

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+ References

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+ Details

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- Definition

The term of interest periods when the Company is in default under the covenants of its 2007 Credit Facility.

+ References

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- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

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



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Article 12



-Section 13



-Sentence Column B

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- Definition

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

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+ Details

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- Definition

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

Number of interest rate derivative instruments held by the entity at the reporting date.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 815



-SubTopic 10



-Section 50



-Paragraph 1B



-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5580258-113959



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 815



-SubTopic 10



-Section 50



-Paragraph 1A



-Subparagraph (d)



-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5579245-113959

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