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Derivative Instruments and Hedging Activities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2013
Derivative Instruments and Hedging Activities |
Outstanding commodity derivatives designated as hedging instruments |
|  |  |  |  |  | Collars |  | Swaps |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
|  |  |  |  |  | Floor |  | Ceiling |  |  |
Type of Contract |  | Volume |  | Contract Period |  | Range |  | Weighted- Average |  | Range |  | Weighted- Average |  | Weighted- Average |
Natural gas |  |  | 336.8Bcf |  | Jan. 2014 - Dec. 2014 |  | $3.60 - $4.37 |  | $ | 4.13 |  | $4.22 - $4.80 |  | $ | 4.51 |  |  |  |
Natural gas |  |  | 35.5Bcf |  | Jan. 2014 - Dec. 2014 |  |  |  |  |  |  |  |  |  |  |  | $ | 4.12 |
Effect of Derivative Instruments on the Consolidated Balance Sheet |
|  |  |  | Fair Values of Derivative Instruments |
--- | --- | --- | --- | --- | ---
|  |  |  | Derivative Assets |  | Derivative Liabilities |
|  |  |  | December 31, |  | December 31, |
|  | Balance Sheet Location |
(In thousands) |  | 2013 |  | 2012 |  | 2013 |  | 2012 |
Commodity contracts |  | Derivative instruments (current assets) |  | $ | 3,019 |  | $ | 50,824 |  | $ | — |  | $ | — |
Commodity contracts |  | Derivative instruments (current liabilites) |  |  | — |  |  | — |  |  | 13,912 |  |  | 192 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  |  |  | $ | 3,019 |  | $ | 50,824 |  | $ | 13,912 |  | $ | 192 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Schedule of offsetting of derivative assets and liabilities in the condensed consolidated balance sheet |
|  | Year Ended December 31, |
--- | --- | --- | ---
(In thousands) |  | 2013 |  | 2012 |
Derivative Assets |  |  |  |  |  |  |
Gross amounts of recognized assets |  | $ | 13,792 |  | $ | 54,454 |
Gross amounts offset in the statement of financial position |  |  | (10,773 | ) |  | (3,630 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net amounts of assets presented in the statement of financial position |  |  | 3,019 |  |  | 50,824 |
Gross amounts of financial instruments not offset in the statement of financial position |  |  | 373 |  |  | 1,892 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net amount |  | $ | 3,392 |  | $ | 52,716 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Derivative Liabilities |  |  |  |  |  |  |
Gross amounts of recognized liabilities |  | $ | 24,685 |  | $ | 3,822 |
Gross amounts offset in the statement of financial position |  |  | (10,773 | ) |  | (3,630 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net amounts of liabilities presented in the statement of financial position |  |  | 13,912 |  |  | 192 |
Gross amounts of financial instruments not offset in the statement of financial position |  |  | — |  |  | — |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net amount |  | $ | 13,912 |  | $ | 192 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Effect of Derivatives Designated as Hedging Instruments on the Consolidated Statement of Operations |
|  | Amount of Gain (Loss) Recognized in OCI on Derivative (Effective Portion) |
--- | --- | --- | ---
|  | Year Ended December 31, |
(In thousands) |  | 2013 |  | 2012 |  | 2011 |
Commodity contracts |  | $ | (4,523 | ) | $ | 88,705 |  | $ | 267,667 |
|  | Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion) |
--- | --- | --- | ---
|  | Year Ended December 31, |
Location of Gain (Loss) Reclassified from Accumulated OCI into Income (In thousands) |
| 2013 |  | 2012 |  | 2011 |
Natural gas revenues |  | $ | 52,733 |  | $ | 225,108 |  | $ | 84,937 |
Crude oil and condensate revenues |  |  | 4,269 |  |  | 11,218 |  |  | 1,403 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | $ | 57,002 |  | $ | 236,326 |  | $ | 86,340 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Effect of Derivatives Not Designated as Hedging Instruments on the Consolidated Statement of Operations |
|  |  |  | Year Ended December 31, |
--- | --- | --- | --- | --- | ---
|  | Location of Gain (Loss) Recognized in Income on Derivative |
(In thousands) |  | 2013 |  | 2012 |  | 2011 |
Commodity contracts |  | Natural gas revenues |  | $ | — |  | $ | (494 | ) | $ | (965 | )

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- Definition Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41678-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41620-113959 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579240-113959 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41641-113959 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41638-113959 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(n)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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