Declining prepayment penalty in Year One

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- Definition

Declining prepayment penalty in Year Three

+ References

No definition available.

+ Details

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- Definition

Declining prepayment penalty in Year Two

+ References

No definition available.

+ Details

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- Definition

The percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Average fixed interest rate related to the group of interest rate derivatives.

+ References

No definition available.

+ Details

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- Definition

High end of the range of fixed interest rates when a range is presented for a group of interest rate derivatives.

+ References

No definition available.

+ Details

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- Definition

High end period remaining until maturity for the derivative contract, 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

Low end of the range of fixed interest rates when a range is presented for a group of interest rate derivatives.

+ References

No definition available.

+ Details

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- Definition

Low end period remaining until maturity of derivative contract, 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

The effective interest rate during the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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- Definition

Reflects the calculation as of the balance sheet date of the average interest rate weighted by the amount of long-term debt outstanding by type or by instrument at that time.

+ References

No definition available.

+ Details

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- Definition

Aggregate notional amount of all interest rate derivatives designated as hedging instruments in cash flow hedges. Notional amount refers to the monetary amount specified in the interest rate derivative contract.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

-URI http://asc.fasb.org/extlink&oid=6519104

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959

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Debt Obligations (Details Textuals 2) (USD $) In Millions, unless otherwise specified		3 Months Ended	9 Months Ended
	Sep. 30, 2012 Bank Term Loan And The Credit Facility [Member] Federal Funds Rate [Member]	Sep. 30, 2011 Unsecured Debt [Member]	Sep. 30, 2012 Unsecured Debt [Member] Seven Year Term Loan [Member]	Sep. 30, 2012 Unsecured Debt [Member] Three and Four Year Term Loan [Member]	Sep. 30, 2012 Secured Debt [Member]	Sep. 30, 2011 Secured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, Weighted Average Interest Rate		0.98%			6.72%	6.83%
Line of Credit Facility, Interest Rate During Period		0.95%
Declining prepayment penalty in year one			3.00%
Declining prepayment penalty in year two			2.00%
Declining prepayment penalty in year three			1.00%
Debt instrument, basis spread on variable rate	0.50%		1.90%
Derivative, Average Fixed Interest Rate			3.623%
Notional amount of interest rate cash flow hedge derivatives				$ 300.0
Derivative, lower fixed interest rate range				2.47%
Derivative, higher fixed interest rate range				2.91%
Derivative, lower remaining maturity range				3 years
Derivative, higher remaining maturity range				5 years