v3.3.1.900

Long-Term Debt - Additional Information (Detail) - USD ($) |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 15, 2015 | Dec. 31, 2015 | Sep. 30, 2015 | Dec. 31, 2015 | Dec. 31, 2013 | Dec. 31, 2014
Line of Credit Facility [Line Items] |  |  |  |  |  |
Senior notes, net |  | $ 225,839,000 |  | $ 225,839,000 |  | $ 244,239,000
Proceeds from issuance of senior notes |  |  |  |  | $ 242,824,000 |
Gain on extinguishment of debt |  | 9,080,000 | $ 1,483,000 | 10,563,000 |  |
Semi-annual interest payment amount | $ 8,600,000 |  |  |  |  |
Senior Notes [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Senior notes, net |  | 225,839,000 |  | $ 225,839,000 |  | 244,239,000
Senior Notes [Member] | 7% Senior Notes Originated June 11, 2013 [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Senior Notes maturity date |  |  |  | Jun. 15, 2021 |  |
Senior notes, net |  | $ 250,000,000 |  | $ 250,000,000 |  |
Stated interest rate |  | 7.00% |  | 7.00% |  |
Debt instrument payment of interest |  |  |  | Semi-annually on June 15 and December 15. |  |
Proceeds from issuance of senior notes |  |  |  | $ 243,000,000 |  |
Repurchased price of senior notes |  |  |  | 8,800,000 |  |
Repurchased senior notes face value |  | $ 19,700,000 |  | 19,700,000 |  |
Gain on extinguishment of debt |  |  |  | $ 10,600,000 |  |
Senior Notes [Member] | 7% Senior Notes Originated June 11, 2013 [Member] | Debt Instrument, Redemption, Period One [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Debt instrument redemption description |  |  |  | Before June 15, 2016, we may redeem up to 35% of the Senior Notes at a redemption price of 107% of the principal amount, plus accrued and unpaid interest to the redemption date, with the proceeds of certain equity offerings. |  |
Debt instrument, redemption percentage |  |  |  | 35.00% |  |
Debt instrument, redemption of principal amount percentage |  |  |  | 107.00% |  |
Senior Notes [Member] | 7% Senior Notes Originated June 11, 2013 [Member] | Debt Instrument, Redemption, Period Two [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Debt instrument redemption description |  |  |  | Before June 15, 2016, we may redeem some or all of the Notes for cash at a redemption price equal to 100% of their principal amount plus an applicable make-whole premium and accrued and unpaid interest to the redemption date. |  |
Debt instrument, redemption of principal amount percentage |  |  |  | 100.00% |  |
Senior Secured Credit Facility [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Maturity period of senior secured credit facility |  |  |  | May 07, 2019 |  |
Senior secured credit facility, borrowing base |  | 450,000,000 |  | $ 450,000,000 |  |
Aggregate lender commitments |  | 450,000,000 |  | 450,000,000 |  |
Senior secured facility, maximum borrowing capacity |  | 1,000,000,000 |  | $ 1,000,000,000 |  |
Senior secured credit facility, interest rate description |  |  |  | Borrowings under the Credit Facility bear interest based on the agent bank's prime rate plus an applicable margin ranging from 0.50% to 1.50%, or the sum of the LIBOR rate plus an applicable margin ranging from 1.50% to 2.50%. In addition, we pay an annual commitment fee ranging from 0.375% to 0.50% of unused borrowings available |  |
Senior secured credit facility |  | 273,000,000 |  | $ 273,000,000 |  | 150,000,000
Interest rate applicable of senior secured credit facility |  |  |  | 2.20% |  |
Unused letters of credit outstanding |  | $ 300,000 |  | $ 300,000 |  | $ 300,000
Production from liens covering the oil and gas properties |  |  |  | 80.00% |  |
Minimum current ratio |  |  |  | 1.0 |  |
Interest coverage ratio |  |  |  | 2.5 |  |
Outstanding equity interests ownership percentage |  | 50.00% |  | 50.00% |  |
Senior Secured Credit Facility [Member] | Covenants Agreements One [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Covenant description |  |  |  | A consolidated modified current ratio covenant (as defined in the Credit Facility) that requires us to maintain a ratio of not less than 1.0 to 1.0 as of the last day of any fiscal quarter |  |
Senior Secured Credit Facility [Member] | Covenants Agreements Two [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Covenant description |  |  |  | A consolidated interest coverage ratio covenant (as defined in the Credit Facility) that requires us to maintain a ratio of consolidated EBITDAX to interest of not less than 2.5 to 1.0 as of the last day of any fiscal quarter. |  |
Senior Secured Credit Facility [Member] | Minimum [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Annual commitment fee of unused borrowings |  |  |  | 0.375% |  |
Senior Secured Credit Facility [Member] | Minimum [Member] | Prime Rate [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Senior secured credit facility, marginal percentage |  |  |  | 0.50% |  |
Senior Secured Credit Facility [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Senior secured credit facility, marginal percentage |  |  |  | 1.50% |  |
Senior Secured Credit Facility [Member] | Maximum [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Annual commitment fee of unused borrowings |  |  |  | 0.50% |  |
Senior Secured Credit Facility [Member] | Maximum [Member] | Prime Rate [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Senior secured credit facility, marginal percentage |  |  |  | 1.50% |  |
Senior Secured Credit Facility [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |
Senior secured credit facility, marginal percentage |  |  |  | 2.50% |  |

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- Definition The maximum amount of current borrowing capacity, under the line of credit facility, using 80% of the value of all liens and mortgages on oil and gas property owned by the parent and all of their subsidiaries used as security against a maximum current line of credit in the "Credit Facility". + References No definition available. + Details
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- Definition The maximum amount of borrowing capacity,secured by liens and mortgages on oil and gas property owned by the parent and all of their subsidiaries against the line of credit in the "Credit Facility". + References No definition available. + Details
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- Definition Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants. + 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 (g) -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + 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 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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 + Details
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- 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 Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions). + 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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