Debt Instrument, Covenant, Balance Sheet Leverage

No definition available.

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- Definition

Debt Instrument, Public Offering Price Percentage of Principal Amount

+ References

No definition available.

+ Details

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- Definition

Long-term Debt, Net of Premium (Discount)

+ References

No definition available.

+ Details

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

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- Definition

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

+ 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(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ 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.

+ Details

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- 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
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629

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-Name Accounting Standards Codification
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-Section 45
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-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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- Definition

The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585

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- Definition

The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585

+ Details

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SENIOR NOTES - Additional Information (Details)			1 Months Ended		12 Months Ended
SENIOR NOTES - Additional Information (Details)	Apr. 12, 2011 USD ($)	Apr. 05, 2011 USD ($)	Nov. 30, 2014 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Aug. 31, 2016 USD ($)	Mar. 31, 2014 USD ($)
Debt Instrument [Line Items]
Loss on early extinguishment of corporate debt					$ 0	$ 1,000,000	$ 27,300,000
Borrowings under senior notes payable					250,000,000	0	$ 647,200,000
Senior Notes [Member]
Debt Instrument [Line Items]
Debt face value					955,000,000	705,000,000
Investment debt (excluding loan fees)					952,800,000	702,600,000
Long-term debt					$ 936,600,000	688,800,000
Balance sheet leverage ratio					0.92
Senior Notes [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Balance sheet leverage ratio					1.50
Senior Notes [Member] \| Five Point Eight Seven Five Percent Senior Notes Due April 2024 Issued August 2016 [Member]
Debt Instrument [Line Items]
Debt face value								$ 250,000,000.0
Senior Notes [Member] \| 5.875% Percent Senior Notes Dues April 2024 [Member]
Debt Instrument [Line Items]
Debt face value			$ 350,000,000.0		$ 900,000,000	650,000,000		$ 650,000,000	$ 300,000,000.0
Interest rate (as a percent)			5.875%		5.875%			5.875%	5.875%
Debt price percentage of principal amount			100.00%					100.00%	99.068%
Investment debt (excluding loan fees)					$ 897,800,000	647,600,000
Long-term debt					897,800,000
Senior Notes [Member] \| 8.75% Senior Notes Due April 1, 2019 [Member]
Debt Instrument [Line Items]
Debt face value	$ 50,000,000.0	$ 200,000,000.0		$ 100,000,000.0
Interest rate (as a percent)				8.75%
Long-term debt			$ 353,500,000
Borrowings under senior notes payable	$ 50,800,000	$ 198,600,000		$ 105,300,000
Senior Notes [Member] \| 7.75% Senior Notes Due 2042 [Member]
Debt Instrument [Line Items]
Debt face value				$ 55,000,000	$ 55,000,000	55,000,000
Interest rate (as a percent)				7.75%	7.75%
Debt price percentage of principal amount				100.00%
Investment debt (excluding loan fees)					$ 55,000,000	55,000,000
Long-term debt						$ 55,000,000
Senior Notes [Member] \| 8.75% Senior Notes Due April 1, 2019 [Member]
Debt Instrument [Line Items]
Extinguishment of debt			350,000,000.0
Repayments of senior debt			380,100,000
Loss on early extinguishment of corporate debt			$ 25,800,000