Securities industry and financial markets association rate.

No definition available.

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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

+ Details

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- Definition

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994

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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.

+ References

No definition available.

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- Definition

Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Total amount of gain (loss) derived from fair value hedges recognized in earnings in the 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 (a)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

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- Definition

The loss recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness.

+ 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 (d)(1)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

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Derivative Instruments and Hedging Activities (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Derivative [Line Items]
SIFMA rate	0.07%		0.07%
Minimum [Member] \| Interest rate swap agreements [Member]
Derivative [Line Items]
Derivative, term of contract			1 year
Minimum [Member] \| Interest rate caps [Member]
Derivative [Line Items]
Derivative, term of contract			1 year
Maximum [Member] \| Interest rate swap agreements [Member]
Derivative [Line Items]
Derivative, term of contract			10 years
Maximum [Member] \| Interest rate caps [Member]
Derivative [Line Items]
Derivative, term of contract			3 years
Designated as Hedging Instrument [Member] \| TROR [Member]
Derivative [Line Items]
Notional amount of TRS	$ 471,985,000		$ 471,985,000
Cash Flow Hedging [Member]
Derivative [Line Items]
Loss on cash flow hedge ineffectiveness		$ 0		$ 3,666,000
Loss on cash flow hedges to be reclassified within next twelve months			24,097,000
Fair Value Hedging [Member] \| Designated as Hedging Instrument [Member] \| TROR [Member]
Derivative [Line Items]
Net gain (loss) from change in fair value of underlying TROR borrowings recognized in interest expense	$ (1,043,000)	$ 3,143,000	$ (2,451,000)	$ (2,211,000)