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

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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

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 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (g)
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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- Definition

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

+ References

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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.

+ Details

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- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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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

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-Name Accounting Standards Codification
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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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-Number 210
-Section 02
-Paragraph 20, 22
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- Definition

The cash inflow from the issuance of long-term debt that is not secured by collateral. Excludes proceeds from tax exempt unsecured debt.

+ References

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

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

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Article 5
-Subsection 19, 20, 22

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Indebtedness Unsecured Debt (Details) - USD ($) $ in Thousands			1 Months Ended	12 Months Ended
	May 31, 2015	Apr. 30, 2015	Oct. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Long-term Debt				$ 2,908,477	$ 3,320,141
Proceeds from unsecured debt				$ 375,000	0	$ 300,000
Debt Instrument, Interest Rate, Stated Percentage	6.50%		5.50%	3.25%
Loss on debt extinguishment				$ (33,934)	(85,713)	(283)
Repayments of Unsecured Debt	$ 7,100	$ 500,000	$ 152,600	$ 440,040	913,143	$ 2,092
Debt Instrument, Interest Rate, Effective Percentage	6.08%		6.72%	3.36%
Debt Instrument, Repurchased Face Amount	$ 6,300	$ 424,900	$ 150,000
Unsecured Debt				$ 2,476,752	2,510,697
October Repurchase [Member]
Debt Instrument [Line Items]
Loss on debt extinguishment				25,200
Repayments of Unsecured Debt				154,100
Debt Instrument, Repurchased Face Amount				$ 129,500
Tender Offer [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				5.95%
Loss on debt extinguishment				$ 8,800
Debt Instrument, Repurchased Face Amount				275,000
Unsecured Debt					500,000
Variable Rate UnSecured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt				$ 250,000
Debt Instrument, Interest Rate, Effective Percentage				1.63%
Fixed Rate Unsecured Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Estimated Trading Values, Percent of Face Value, Minimum				96.00%
Debt Instrument, Estimated Trading Values, Percent of Face Value, Maximum				127.00%
Debt Instrument, Covenant Compliance				We were in compliance with all such covenants at December 31, 2016
Unsecured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt				$ 2,498,835	$ 2,530,743
Proceeds from unsecured debt				375,000
Unsecured Debt [Member] \| Tender Offer [Member]
Debt Instrument [Line Items]
Repayments of Unsecured Debt				$ 283,500
Fixed Rate Unsecured Debt Repaid [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				8.25%	7.38%
Repayments of Unsecured Debt					$ 250,000
Debt Instrument, Interest Rate, Effective Percentage				8.38%	7.50%
Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		8.25%
Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		5.95%
Secured Debt [Member]
Debt Instrument [Line Items]
Loss on debt extinguishment					$ 3,700
Unsecured Debt [Member]
Debt Instrument [Line Items]
Loss on debt extinguishment					$ 82,000