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DERIVATIVE INSTRUMENTS - Effect of Derivative Instruments Designated Cash Flow Hedges on Statements of Operations (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Derivative Instruments, Gain (Loss) [Roll Forward] |  |  |  |
Balance in AOCI Beginning of Period | $ 935 | $ (602) | $ 1,871 | $ 0
Amount of (Loss) Gain Recognized in AOCI- Effective Portion | 297 | 618 | (618) | 16
Amount of Loss Reclassified from AOCI into Earnings-Effective Portion | (63) | 0 | (42) | 0
Balance in AOCI End of Period | 1,295 | 16 | 1,295 | 16
Interest rate swap | Interest (expense) |  |  |  |
Derivative Instruments, Gain (Loss) [Roll Forward] |  |  |  |
Balance in AOCI Beginning of Period | 935 | (602) | 1,871 | 0
Amount of (Loss) Gain Recognized in AOCI- Effective Portion | 297 | 618 | (618) | 16
Amount of Loss Reclassified from AOCI into Earnings-Effective Portion | (63) | 0 | (42) | 0
Balance in AOCI End of Period | $ 1,295 | $ 16 | $ 1,295 | $ 16

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- Definition Accumulated Other Comprehensive Income Loss Cumulative Changes in Net Gain Loss from Cash Flow Hedge Effect Before Tax + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624177-113959 + Details
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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 + Details
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