Amount Of Proved Developed Producing Reserves Pledged As Collateral Percentage

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Minimum collateral amount of proved oil and gas reserves representing the discounted present value of reserves used in borrowing base determination.

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- Definition

Debt Instrument, Call Provision Ratio

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Debt Instrument, Convertible, Conversion Written Notice Period

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Debt Instrument, Convertible, Mandatory Conversion, Proceeds from Stock Issuance Trigger

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Debt Instrument, Convertible, Principal Required to be Secured

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Debt Instrument, Interest Payment Period, Number of Days After Refinancing

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Debt Instrument, Restrictive Covenants, Interest Coverage Ratio

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Debt Instrument, Restrictive Covenants, Proved Developed Producing Asset Coverage Ratio, Measured Quarterly

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- Definition

Debt Instrument, Variable Rate Floor

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- Definition

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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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- Definition

The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

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- Definition

Price of the entity's common stock which would be required to be attained for the conversion feature embedded in the debt instrument to become effective.

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Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instruments must exceed threshold percentage for a specified number of trading days to trigger conversion feature, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

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- Definition

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

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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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.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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Indebtedness divided by net capital.

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Debt - Post-Emergence Indebtedness (Details) $ / shares in Units, shares in Millions		1 Months Ended	9 Months Ended
	Oct. 04, 2016 USD ($) shares $ / shares	Oct. 31, 2016 USD ($) shares	Sep. 30, 2016 USD ($) shares	Sep. 30, 2015 USD ($)	Aug. 03, 2020	Mar. 31, 2019	Dec. 31, 2018	Oct. 03, 2018	Oct. 03, 2017
Debt Instrument
Debt converted during period			$ 4,409,000	$ (35,147,000)
Common stock issued for debt (in shares) \| shares			84.4
Subsequent Event \| Revolving Credit Facility \| New Credit Facility
Debt Instrument
Maximum borrowing capacity	$ 425,000,000.0
Percentage of proved developed producing reserves pledged as collateral	95.00%
Percentage of proved reserves pledged as collateral	95.00%
Minimum PDP asset coverage ratio as of last day of each fiscal quarter	1.75
Interest coverage ratio (less than)	2.00
Subsequent Event \| Revolving Credit Facility \| New Credit Facility \| Base Rate
Debt Instrument
Basis spread on variable rate	3.75%
Subsequent Event \| Revolving Credit Facility \| New Credit Facility \| LIBOR
Debt Instrument
Basis spread on variable rate	4.75%
Basis spread on variable rate floor	1.00%
Subsequent Event \| Convertible Debt
Debt Instrument
Number of shares issuable under convertible securities \| shares	15.0
Subsequent Event \| Convertible Debt \| New Convertible Debt
Debt Instrument
Face amount of debt instrument	$ 281,800,000
Make whole amount per $1.00 in principal	0.783478
Conversion ratio for shares issuable per $1.00 in principal	0.05330841
Mandatory conversion trigger, minimum proceeds from issuance of stock	$ 100,000,000
Mandatory conversion trigger, minimum per share price of stock issued (in usd per share) \| $ / shares	$ 34.16
Number of days written notice for conversion	30 days
Conversion threshold consecutive trading days	30 days
Debt converted during period		$ 3,700,000
Common stock issued for debt (in shares) \| shares		0.2
Mandatory conversion threshold percentage of stock price trigger	50.00%
Redemption price as a percentage of principal	100.00%
Principal amount required to be secured following the occurrence of certain events	$ 100,000,000
Subsequent Event \| Secured Notes \| New Building Note
Debt Instrument
Face amount of debt instrument	$ 35,000,000.0
Term of facility	46 months
Number of days after refinancing that interest is payable	90 days
Proceeds from issuance of debt	$ 26,800,000
Forecast \| Revolving Credit Facility \| New Credit Facility
Debt Instrument
Total net leverage ratio (greater than)						3.00	3.50
Forecast \| Secured Notes \| New Building Note
Debt Instrument
Annual interest rate					10.00%			8.00%	6.00%