| **Commitments and Contingencies Commitments and Contigencies (Details) (USD $)In Thousands, unless otherwise specified** | 9 Months Ended    |
|--------------------------------------------------------------------------------------------------------------------------|-------------------|
||
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 270,097           |
| Dollar Commitment ($ in thousands)                                                                                       | $ 88,198          |
| West Virginia                                                                                                            |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 243,635           |
| Utica Shale                                                                                                              |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 26,462            |
| Shallow Upper Devonian properties                                                                                        |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 34,572            |
| Dollar Commitment ($ in thousands)                                                                                       | 16,500            |
| First Year Commitment                                                                                                    |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 23,710            |
| Dollar Commitment ($ in thousands)                                                                                       | 9,601             |
| First Year Commitment | West Virginia                                                                                    |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 21,428            |
| First Year Commitment | Utica Shale                                                                                      |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 2,282             |
| Second Year Commitment                                                                                                   |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 25,606            |
| Dollar Commitment ($ in thousands)                                                                                       | 10,056            |
| Second Year Commitment | West Virginia                                                                                   |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 22,868            |
| Second Year Commitment | Utica Shale                                                                                     |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 2,738             |
| Third Year Commitment                                                                                                    |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 27,612            |
| Dollar Commitment ($ in thousands)                                                                                       | 10,462            |
| Third Year Commitment | West Virginia                                                                                    |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 24,874            |
| Third Year Commitment | Utica Shale                                                                                      |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 2,738             |
| Fourth Year Commitment                                                                                                   |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 27,600            |
| Dollar Commitment ($ in thousands)                                                                                       | 10,294            |
| Fourth Year Commitment | West Virginia                                                                                   |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 24,862            |
| Fourth Year Commitment | Utica Shale                                                                                     |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 2,738             |
| commitments 5 years and beyond                                                                                           |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 165,569           |
| Dollar Commitment ($ in thousands)                                                                                       | $ 47,785          |
| commitments 5 years and beyond | West Virginia                                                                           |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 149,603           |
| commitments 5 years and beyond | Utica Shale                                                                             |              |
| **Supply Commitment**                                                                                                    |              |
| Oil and Gas Delivery Commitments Volumes (MMcf)                                                                          | 15,966            |
| Supply Contract Expiration Date | West Virginia                                                                          |              |
| **Supply Commitment**                                                                                                    |              |
| Supply Commitments Contract Expiration Date                                                                              | Jan. 31,				 2026 |
| Supply Contract Expiration Date | Utica Shale                                                                            |              |
| **Supply Commitment**                                                                                                    |              |
| Supply Commitments Contract Expiration Date                                                                              | Jul. 22,				 2023 |

| X                                                                                                                                                                                                                                                                  |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Supply Commitments Contract Expiration Date
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Total amount of product committed to be supplied under existing contracts or agreements.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Industry Guide -Number 2 -Paragraph 8 -Subparagraph A
+ Details**Name:**us-gaap_OilAndGasDeliveryCommitmentsAndContractsRemainingContractualVolume**Namespace Prefix:**us-gaap_**Data Type:**num:volumeItemType**Balance Type:**na**Period Type:**instant |
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The floor amount as of the balance sheet date that the entity must expend to satisfy the terms of disclosed arrangements (excluding long-term commitments) in which the entity must commit resources to supply goods or services to one or more customers.
+ 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 210.5-02.25) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 25 -Article 5Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 7Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 17 -Article 9Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.17) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878Reference 6: 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.(a)(19)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910
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| X                                                                                                                                                             |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------|
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