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Amount of decrease in the fair value of derivatives recognized in the income statement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5618551-113959

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

-Publisher FASB

-Name Accounting Standards Codification

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-Section 50

-Paragraph 4C

-Subparagraph (a),(c),(d),(e)

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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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Derivative Instruments - Summary of Amounts Recognized on Consolidated Statements of Operations Related to Company's Derivatives (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Loss on derivative instruments-unrealized									$ 4,070us-gaap_UnrealizedGainLossOnDerivatives	$ 155us-gaap_UnrealizedGainLossOnDerivatives	$ 323us-gaap_UnrealizedGainLossOnDerivatives
Total	2,137	3,026	(1,093)	0	(1)	1	(2)	0	4,070	(2)	(572)
Interest Rate Swap [Member] \| Gain (Loss) on Derivative Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss on derivative instruments-realized									0	(157)	(895)
Loss on derivative instruments-unrealized									0	156	510
Interest Rate Cap [Member] \| Gain (Loss) on Derivative Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss on derivative instruments-unrealized									0	(1)	(187)
Forward Currency Contract [Member] \| Gain (Loss) on Derivative Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss on derivative instruments-unrealized									$ 4,070	$ 0	$ 0