Debt Conversion, Original Debt, Percent Of Total

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- Definition

Debt Instrument, Coverage Ratio

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Debt Instrument, Excess (Shortfall) Carrying Value

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Debt Instrument, Loan Forbearance, Non Payment Of Interest, Period

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Debt Instrument, Number Of Interest Payments With Variable Rate

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Debt Instrument, Outstanding Principal Amount, Percent

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Line Of Credit Facility, Covenant Compliance, Present Value Of Estimated Future Net Revenues, Discount Percent

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- Definition

Line Of Credit Facility, First Priority Lien As Percent Of Total Value Of Oil And Gas Properties

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- Definition

Amount of amortization expense attributable to debt issuance costs.

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The value of the financial instrument(s) that the original debt is being converted into 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.

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- Definition

The number of shares issued in exchange for 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 payments in the period.

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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.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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

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

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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.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Gross amount of debt extinguished.

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

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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.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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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.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Number of new stock issued during the period.

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Long-Term Debt - Narrative (Details) shares in Millions							1 Months Ended	9 Months Ended
Long-Term Debt - Narrative (Details) shares in Millions	Sep. 14, 2018 USD ($)	Aug. 31, 2018 USD ($)	Dec. 28, 2017 USD ($) shares	Mar. 31, 2017 USD ($)	Sep. 27, 2016 USD ($) payment shares	Feb. 17, 2016 USD ($) shares	Dec. 31, 2017 USD ($) shares	Sep. 30, 2018 USD ($)	Dec. 31, 2018	Jul. 03, 2013 USD ($)	Aug. 19, 2010 USD ($)
Debt Instrument [Line Items]
Principal amount							$ 272,629,000	$ 284,473,000
Long-term debt								334,500,000
10% Senior Secured Notes due 2021
Debt Instrument [Line Items]
Shares issued (in shares) \| shares			2.2				2.2
Extinguishment of debt, amount			$ 4,800,000
Senior Notes \| 10% Senior Unsecured Notes due 2017
Debt Instrument [Line Items]
Principal amount										$ 200,000,000	$ 150,000,000
Stated interest rate										10.00%	10.00%
Long-term debt						$ 135,600,000
Senior Notes \| 10% Senior Notes and PIK Notes due 2021
Debt Instrument [Line Items]
Loan forbearance, non payment of interest, period	30 days
Senior Notes \| 10% Senior Secured Notes due 2021
Debt Instrument [Line Items]
Principal amount							$ 9,427,000	$ 9,427,000
Stated interest rate							10.00%	10.00%
Long-term debt							$ 9,821,000	$ 9,707,000
Excess (shortfall) carrying value							606,000	473,000
Deferred finance costs, net							(212,000)	(193,000)
Payment in Kind (PIK) Note \| 10% Senior Secured PIK Notes due 2021
Debt Instrument [Line Items]
Principal amount							$ 263,202,000	$ 275,046,000
Stated interest rate							10.00%	10.00%
Long-term debt							$ 271,577,000	$ 274,621,000
Excess (shortfall) carrying value							(508,000)	(425,000)
Deferred finance costs, net							0	$ 0
Private Exchange Offer and Consent Solicitation
Debt Instrument [Line Items]
Repayments of debt						53,600,000
Private Exchange Offer and Consent Solicitation \| Senior Notes \| 10% Senior Unsecured Notes due 2017
Debt Instrument [Line Items]
Debt conversion, original debt, amount						$ 214,400,000
Debt conversion, original debt, percent of total						61.00%
Gain on extinguishment of debt						$ 0
Private Exchange Offer and Consent Solicitation \| Senior Notes \| 10% Senior Secured Notes due 2021
Debt Instrument [Line Items]
Stated interest rate						10.00%		10.00%
Debt conversion, amount						$ 144,700,000
Excess (shortfall) carrying value						$ 13,900,000
Amortization of financing costs								$ (132,000)
Private Exchange Offer and Consent Solicitation \| Payment in Kind (PIK) Note \| 10% Senior Secured PIK Notes due 2021
Debt Instrument [Line Items]
Stated interest rate								10.00%
Excess (shortfall) carrying value					$ (600,000)			$ (400,000)
Amortization of financing costs								$ 84,000
September Exchange and Consent Solicitation \| Senior Notes \| 10% Senior Unsecured Notes due 2017
Debt Instrument [Line Items]
Debt conversion, original debt, amount					$ 113,000,000
Debt conversion, original debt, percent of total					83.00%
Repayments of debt				$ 22,800,000
Long-term debt					$ 22,700,000
Gain on extinguishment of debt					0
September Exchange and Consent Solicitation \| Senior Notes \| 10% Senior Secured Notes due 2021
Debt Instrument [Line Items]
Debt conversion, original debt, amount					$ 130,500,000
Debt conversion, original debt, percent of total					90.00%
Long-term debt					$ 14,200,000
September Exchange and Consent Solicitation \| Payment in Kind (PIK) Note \| 10% Senior Secured PIK Notes due 2021
Debt Instrument [Line Items]
Debt conversion, amount					$ 243,500,000
Number of interest payments with variable rate \| payment					3
Common Stock \| Private Exchange Offer and Consent Solicitation
Debt Instrument [Line Items]
Debt conversion, shares issued \| shares					3.5	1.1
PIK Interest \| Payment in Kind (PIK) Note \| 10% Senior Secured PIK Notes due 2021
Debt Instrument [Line Items]
Stated interest rate								10.00%
PIK Interest \| September Exchange and Consent Solicitation \| Payment in Kind (PIK) Note \| 10% Senior Secured PIK Notes due 2021
Debt Instrument [Line Items]
Stated interest rate					1.00%
Basis spread on variable rate					9.00%
Term Loan \| Line of Credit
Debt Instrument [Line Items]
Principal amount							30,000,000	$ 50,000,000
Long-term debt							27,963,000	49,716,000
Excess (shortfall) carrying value							0	0
Deferred finance costs, net							$ (2,037,000)	(284,000)
Term Loan \| Line of Credit \| Loan Agreement
Debt Instrument [Line Items]
Repayments of debt		$ 32,500,000
Term Loan \| Line of Credit \| Multidraw Term Loan Agreement
Debt Instrument [Line Items]
Stated interest rate		10.00%
Long-term debt		$ 50,000,000
Remaining borrowing capacity								$ 0
First priority lien as percent of total value of oil and gas properties		90.00%
Maximum borrowing capacity		$ 50,000,000
Covenant compliance, present value of estimated future net revenues, discount percent		10.00%
Minimum \| Term Loan \| Line of Credit \| Multidraw Term Loan Agreement
Debt Instrument [Line Items]
Debt instrument, coverage ratio								1.4
Maximum \| Term Loan \| Line of Credit \| Multidraw Term Loan Agreement
Debt Instrument [Line Items]
Debt instrument, coverage ratio								1
Scenario, Forecast \| Minimum \| Term Loan \| Line of Credit \| Multidraw Term Loan Agreement
Debt Instrument [Line Items]
Debt instrument, coverage ratio									1.5
Scenario, Forecast \| Maximum \| Term Loan \| Line of Credit \| Multidraw Term Loan Agreement
Debt Instrument [Line Items]
Debt instrument, coverage ratio									1
2021 Notes Supporting Holders \| Senior Notes \| Forbearance Agreement
Debt Instrument [Line Items]
Long-term debt	$ 7,300,000
Debt Instrument, Outstanding Principal Amount, Percent	77.90%
2021 PIK Notes Supporting Holders \| Payment in Kind (PIK) Note \| Forbearance Agreement
Debt Instrument [Line Items]
Long-term debt	$ 194,600,000
Debt Instrument, Outstanding Principal Amount, Percent	70.70%