Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

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Derivative Instrument, Settlement Amount

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Expected Amount Of Derivative Related Interest To Be Reclassified To Interest Expense Over The Next 12 Months

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

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-Topic 825

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-Name Accounting Standards Codification

-Topic 210

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-Paragraph 3

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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.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

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-Paragraph 4C

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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.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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- Definition

The number of derivative instruments of a particular group held by the entity.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

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Derivatives and Hedging Activities (Details) (USD $)	12 Months Ended
Derivatives and Hedging Activities (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2012	Dec. 31, 2013
Derivative [Line Items]
Expected amount of derivative related interest to be reclassified to interest expense over the next 12 months	$ 4,737,000
Interest Rate Swap [Member]
Derivative [Line Items]
Settlement amount		3,539,000
Reclassified from AOCI into Income		1,837,000
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member] \| Other Assets [Member]
Derivative [Line Items]
Derivative asset	1,153,000		4,439,000
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member] \| Accounts Payable And Other Liabilities [Member]
Derivative [Line Items]
Derivative liabilities	(749,000)
Cash Flow Hedging [Member] \| Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member]
Derivative [Line Items]
Face Amount	505,000,000
Number of derivative instruments held	10
Notional amount of derivatives	505,000,000
Cash Flow Hedging [Member] \| Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member] \| Interest Expense [Member]
Derivative [Line Items]
Reclassified from AOCI into Income	5,525,000		3,104,000
Amount of Loss Recognized in OCI on Derivative (Effective Portion)	$ (9,560,000)		$ 7,559,000