Amount of credit risk valuation adjustment to derivative liabilities to properly reflect the credit quality of the entity.

No definition available.

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- Definition

Risk associated with risk of default, credit spread risk and downgrade risk, expressed as a percentage, used as an input to measure fair value.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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- Definition

Price at which a dealer is willing to buy an instrument, used as an input to measure fair value.

+ References

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- Definition

Fair value of financial instrument classified as derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19279-110258

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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Fair Value Measurements (Details 2) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair Value	$ (258,579)	$ (269,815)	$ (305,368)	$ (284,580)
Fair value adjustment to borrowings subject to TROR [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair Value	4,196	5,604	3,515	8,869
Potential Future Exposure [Member] \| Fair value measurement, recurring basis [Member] \| Credit valuation adjustment of interest rate swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair Value	3,354
Credit Spread	4.00%
Bond Valuation [Member] \| Fair value measurement, recurring basis [Member] \| TROR [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair Value	(14,710)
Bond Valuation [Member] \| Fair value measurement, recurring basis [Member] \| Fair value adjustment to borrowings subject to TROR [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Fair Value	$ 4,196
Bond Valuation [Member] \| Minimum [Member] \| Fair value measurement, recurring basis [Member] \| TROR [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Bond Valuation	$ 79.59
Bond Valuation [Member] \| Minimum [Member] \| Fair value measurement, recurring basis [Member] \| Fair value adjustment to borrowings subject to TROR [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Bond Valuation	$ 79.59
Bond Valuation [Member] \| Maximum [Member] \| Fair value measurement, recurring basis [Member] \| TROR [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Bond Valuation	$ 114.21
Bond Valuation [Member] \| Maximum [Member] \| Fair value measurement, recurring basis [Member] \| Fair value adjustment to borrowings subject to TROR [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis, Valuation Techniques [Line Items]
Bond Valuation	$ 114.21