DERIVATIVE INSTRUMENTS PAYABLE AND RECEIVABLE (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Derivative [Line Items]
Derivative asset, fair value	$ 1,086		$ 1,594
Derivative liability, fair value	4,539		1,990
Interest expense	27,118	$ 20,995
Loss on derivatives	3,796	17,821
Interest Rate Swap
Derivative [Line Items]
Derivative asset, fair value	908		1,502
Derivative liability, fair value	4,438		1,777
Interest expense	749	991
Unrealized (gain) loss on derivatives	3,254	18,721
Currency Swap
Derivative [Line Items]
Derivative asset, fair value	143		92
Derivative liability, fair value	41		213
Unrealized (gain) loss on derivatives	(80)	(974)
(Gain) loss on sale of derivatives	(126)	(35)
Forward Freight Agreements
Derivative [Line Items]
(Gain) loss on sale of derivatives	(7)	38
Bunker derivatives
Derivative [Line Items]
Derivative asset, fair value	35		0
Derivative liability, fair value	60		$ 0
Unrealized (gain) loss on derivatives	9	(1,544)
(Gain) loss on sale of derivatives	$ (3)	$ 624

Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959

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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

+ References

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-Publisher FASB
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Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability.

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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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The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.13(h))
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-Section 45
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Amount of the cost of borrowed funds accounted for as interest expense.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-SubTopic 20
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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

+ References

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