Debt Secured Notes (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Dec. 31, 2016
Senior Secured Notes Due in 2018 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 177,019	$ 177,019
Debt Instrument, Interest Rate, Stated Percentage	12.75%
Timeframe after the end of each fiscal year that the Company must make an offer to purchase New Secured Notes with certain of its excess cash flow for such fiscal year. Days After Fiscal Year End	95 days
Debt Instrument, Excess Cash Flow, Percentage, 0 percent	0.00%
Debt Instrument, Excess Cash Flow, Percentage, 25 percent	25.00%
Debt Instrument, Excess Cash Flow, Percentage, 50 percent	50.00%
Debt Instrument, Excess Cash Flow, Percentage, 75 percent	75.00%
Secured Notes to be Purchased with Excess Cash Flow, 50 million	$ 50,000
Secured Notes to be Purchased with Excess Cash Flow, 75 million	75,000
Secured Notes to be Purchased with Excess Cash Flow, 100 million	$ 100,000
Redemption Price, Stated as a Percentage of Principal, Percentage, Excess Cash Flow	103.00%
Debt Instrument, Redemption Price, Percentage	100.00%
Redemption Price, Stated as a Percentage of Principal, Change of Control	101.00%
Redemption Price, Stated as a Percentage of Principal, Upon Certain Asset Sales	100.00%
Senior Secured Notes Due in 2016 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	12.75%
Domestic Subsidiaries [Member] \| Senior Secured Notes Due in 2018 [Member]
Debt Instrument [Line Items]
Consolidated Subsidiary, Ownership Percentage	100.00%

Consolidated Subsidiary, Ownership Percentage

No definition available.

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- Definition

The percentage of excess cash flow which must be used to redeem New Secured Notes due December 2018 until the Company has offered to purchase more than $100.0 million of the aggregate principal amount of the notes outstanding.

+ References

No definition available.

+ Details

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- Definition

The percentage of excess cash flow which must be used to redeem New Secured Notes due December 2018 until the Company has offered to purchase up to $100.0 million of the aggregate principal amount of the notes outstanding.

+ References

No definition available.

+ Details

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- Definition

The percentage of excess cash flow which must be used to redeem the New Secured Notes due December 2018 until the Company has offered to purchase up to $75.0 million of the aggregate principal amount of the notes outstanding.

+ References

No definition available.

+ Details

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- Definition

The percentage of excess cash flow which must be used to redeem New Secured Notes due December 2018 until the Company has offered to purchase up to $50.0 million of the aggregate principal amount of the notes outstanding.

+ References

No definition available.

+ Details

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- Definition

The amount of the redemption price in percentage in the event of excess cash flow.

+ References

No definition available.

+ Details

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- Definition

Redemption Price, Stated as a Percentage of Principal, Change of Control

+ References

No definition available.

+ Details

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- Definition

Redemption Price, Stated as a Percentage of Principal, Upon Certain Asset Sales

+ References

No definition available.

+ Details

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- Definition

The upper bound of the amount of New Secured Notes due December 2018 to be purchased with excess cash flow, as defined by the indenture agreement, at an excess cash flow percentage of 25%.

+ References

No definition available.

+ Details

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- Definition

The upper bound of the amount of New Secured Notes due December 2018 to be purchased with excess cash flow, as defined by the indenture agreement, at an excess cash flow percentage of 75%.

+ References

No definition available.

+ Details

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- Definition

The upper bound of the amount of New Secured Notes due December 2018 to be purchased with excess cash flow, as defined by the indenture agreement, an an excess cash flow percentage of 50%.

+ References

No definition available.

+ Details

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- Definition

Timeframe after the end of each fiscal year that the Company must make an offer to purchase New Secured Notes with certain of its excess cash flow for such fiscal year. Days After Fiscal Year End

+ References

No definition available.

+ 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

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ 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 e
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

+ Details

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ 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 210.7-03.16(a))
-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

+ Details

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Period Type:	instant

- Details

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- Details

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