Current Ratio Requirement

No definition available.

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- Definition

Minimum permitted consolidated EBITDAX to Consolidated Interest charges ratio.

+ References

No definition available.

+ Details

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- Definition

Interest in entities which guarantee our debt issuances, expressed as a percentage

+ References

No definition available.

+ Details

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- Definition

Maximum permitted Senior Secured Debt to consolidated EBITDAX ratio.

+ References

No definition available.

+ Details

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ 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(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

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-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586

+ 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

Fair value amount of debt instrument that was repurchased.

+ 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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- References

No definition available.

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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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-Paragraph 4
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- References

No definition available.

+ Details

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- Definition

The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for a specific purpose other than for financing goods acquired for inventory or imminent delivery to a customer.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ 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

+ Details

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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

+ Details

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Balance Type:	na
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ 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

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Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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- Definition

Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

+ References

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

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-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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- Details

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Long-Term Debt (Details Textuals)	1 Months Ended	3 Months Ended			6 Months Ended
Long-Term Debt (Details Textuals)	May 31, 2016 USD ($) shares	Jun. 30, 2017 USD ($) shares	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Jun. 30, 2017 USD ($) shares	Jun. 30, 2016 USD ($)	Aug. 07, 2017 USD ($)	Dec. 31, 2016 USD ($) shares
Long Term Debt (Textuals) [Abstract]
Interest in guarantor subsidiaries		100.00%			100.00%
Debt Instrument, Repurchased Face Amount				$ 152,300,000
Debt Instrument, Repurchase Amount				55,500,000
Gain on debt extinguishment		$ 0	$ 12,278,000	95,000,000	$ 0	$ 107,269,000
Debt Conversion, Original Debt, Amount	$ 1,057,800,000
Common Stock, Shares, Issued \| shares	40,700,000	403,305,493			403,305,493			402,334,655
Extinguishment of Debt, Amount	$ 442,900,000
Senior Secured Bank Credit Facility [Abstract]
Line of Credit, Borrowing Base		$ 1,050,000,000.00			$ 1,050,000,000.00
Line of Credit Facility, Current Borrowing Capacity		1,050,000,000.00			$ 1,050,000,000.00
Weighted average interest rate on Bank Credit Facility					4.20%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage					0.50%
Current Ratio Requirement					1.0
Subsequent Event [Member]
Senior Secured Bank Credit Facility [Abstract]
Senior subordinated notes available for repurchase or other redemptions							$ 148,300,000
9% Senior Secured Second Lien Notes Due 2021
Long Term Debt (Textuals) [Abstract]
9% Senior Secured Second Lien Notes due 2021	614,919,000	$ 614,919,000			$ 614,919,000			$ 614,919,000
Senior Subordinated Notes \| 6 3/8% Senior Subordinated Notes due 2021
Long Term Debt (Textuals) [Abstract]
Debt Instrument, Repurchased Face Amount				4,000,000
Debt Conversion, Original Debt, Amount	175,100,000
Senior Subordinated Notes \| 5 1/2% Senior Subordinated Notes due 2022
Long Term Debt (Textuals) [Abstract]
Debt Instrument, Repurchased Face Amount				42,300,000
Debt Conversion, Original Debt, Amount	411,000,000
Senior Subordinated Notes \| 4 5/8% Senior Subordinated Notes due 2023
Long Term Debt (Textuals) [Abstract]
Debt Instrument, Repurchased Face Amount				$ 106,000,000
Debt Conversion, Original Debt, Amount	$ 471,700,000
Year 2017 \| Q3
Senior Secured Bank Credit Facility [Abstract]
Senior Secured Debt to Consolidated EBITDAX		3.0
Consolidated EBITDAX to Consolidated Interest Charges		1.25
Year 2017 \| Q4
Senior Secured Bank Credit Facility [Abstract]
Senior Secured Debt to Consolidated EBITDAX		3.0
Consolidated EBITDAX to Consolidated Interest Charges		1.25
Year 2018 \| Q1
Senior Secured Bank Credit Facility [Abstract]
Senior Secured Debt to Consolidated EBITDAX		3.0
Consolidated EBITDAX to Consolidated Interest Charges		1.25
Year 2018 \| Q2
Senior Secured Bank Credit Facility [Abstract]
Senior Secured Debt to Consolidated EBITDAX		2.5
Consolidated EBITDAX to Consolidated Interest Charges		1.25
Year 2018 \| Q3
Senior Secured Bank Credit Facility [Abstract]
Senior Secured Debt to Consolidated EBITDAX		2.5
Consolidated EBITDAX to Consolidated Interest Charges		1.25
Year 2018 \| Q4
Senior Secured Bank Credit Facility [Abstract]
Senior Secured Debt to Consolidated EBITDAX		2.5
Consolidated EBITDAX to Consolidated Interest Charges		1.25
Year 2019 \| Q1
Senior Secured Bank Credit Facility [Abstract]
Senior Secured Debt to Consolidated EBITDAX		2.5
Consolidated EBITDAX to Consolidated Interest Charges		1.25
Year 2019 \| Q2
Senior Secured Bank Credit Facility [Abstract]
Senior Secured Debt to Consolidated EBITDAX		2.5
Consolidated EBITDAX to Consolidated Interest Charges		1.25
Year 2019 \| Q3
Senior Secured Bank Credit Facility [Abstract]
Senior Secured Debt to Consolidated EBITDAX		2.5
Consolidated EBITDAX to Consolidated Interest Charges		1.25
Base Rate [Member] \| Minimum \| Senior Secured Bank Credit Facility
Senior Secured Bank Credit Facility [Abstract]
Interest rate margins on Senior Secured Bank Credit Facility		1.50%
Base Rate [Member] \| Maximum \| Senior Secured Bank Credit Facility
Senior Secured Bank Credit Facility [Abstract]
Interest rate margins on Senior Secured Bank Credit Facility		2.50%
London Interbank Offered Rate (LIBOR) [Member] \| Minimum \| Senior Secured Bank Credit Facility
Senior Secured Bank Credit Facility [Abstract]
Interest rate margins on Senior Secured Bank Credit Facility		2.50%
London Interbank Offered Rate (LIBOR) [Member] \| Maximum \| Senior Secured Bank Credit Facility
Senior Secured Bank Credit Facility [Abstract]
Interest rate margins on Senior Secured Bank Credit Facility		3.50%