Debt Instrument, Estimated Trading Values, Percent of Face Value, Maximum

No definition available.

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- Definition

Debt Instrument, Estimated Trading Values, Percent of Face Value, Minimum

+ References

No definition available.

+ Details

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- Definition

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

States whether the entity was in compliance with the debt covenants throughout the reporting period, and describes facts and circumstances of any compliance failure.

+ 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(22))
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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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-Name Accounting Standards Codification
-Topic 210
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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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

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Section S99
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- Definition

The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Indebtedness Unsecured Debt (Details) - USD ($)	3 Months Ended		6 Months Ended
Indebtedness Unsecured Debt (Details) - USD ($)	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Debt Instrument [Line Items]
Loss on debt extinguishment	$ (9,561,000)	$ (2,430,000)	$ (9,536,000)	$ (2,430,000)
Repayments of Unsecured Debt			545,924,000	$ 75,668,000
Long-term Debt	2,280,128,000		2,280,128,000		$ 2,908,477,000
Variable Rate UnSecured Debt [Member] [Member]
Debt Instrument [Line Items]
Loss on debt extinguishment			523,000
Long-term Debt	$ 250,000,000		$ 250,000,000
Fixed Rate Unsecured Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Estimated Trading Values, Percent of Face Value, Minimum			98.00%
Debt Instrument, Estimated Trading Values, Percent of Face Value, Maximum			128.00%
Debt Instrument, Covenant Compliance			We were in compliance with all such financial covenants at
Unsecured Debt [Member]
Debt Instrument [Line Items]
Loss on debt extinguishment			$ 9,000,000
Repayments of Unsecured Debt			$ 285,600,000
Debt Instrument, Interest Rate, Stated Percentage	6.50%		6.50%
Long-term Debt	$ 1,961,982,000		$ 1,961,982,000		$ 2,498,835,000
Debt Instrument, Interest Rate, Effective Percentage	6.08%		6.08%
London Interbank Offered Rate (LIBOR) [Member] \| Variable Rate UnSecured Debt [Member] [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate			1.00%