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Summary of Significant Accounting Policies (Details Textual)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
USD ($)
MMBTU
bbl
$ / MMBTU
$ / Boe
shares
Mar. 31, 2023
shares
Jun. 30, 2022
USD ($)
shares
Mar. 31, 2022
shares
Jun. 30, 2023
USD ($)
MMBTU
bbl
$ / MMBTU
$ / Boe
shares
Jun. 30, 2022
USD ($)
shares
Jul. 31, 2023
bbl
MMBTU
$ / MMBTU
$ / Boe
Dec. 31, 2022
USD ($)
Summary of Significant Accounting Policies                
Capitalized Costs Oil and Gas Producing Activities | $ $ 1,200   $ 1,200   $ 2,600 $ 2,200    
Proved oil and gas properties | $ 2,724,110       2,724,110     $ 2,506,853
Unproved oil and gas properties | $ 26,344       26,344     16,272
Furniture, fixtures, and other equipment | $ 6,240       6,240     6,098
Less - Accumulated depreciation, depletion, and amortization | $ (1,097,935)       (1,097,935)     (1,004,044)
Net Furniture, Fixtures and other equipment | $ $ 1,658,759       1,658,759     1,525,179
Discount rate for estimated future net revenues from proved properties 10.00%              
Write-down of oil and gas properties | $ $ 0   0   0 0    
Allowance for doubtful accounts receivable, current | $ 100       100     100
Accounts receivable, gross | $ 45,200       45,200     70,900
Accounts receivable related to joint interest owners | $ 1,400       1,400     5,600
Severance tax receivable | $ 7,600       7,600     4,300
Other receivables | $ 10,400       $ 10,400     8,900
Percentage of working interest in wells         100.00%      
Total amount of supervision fees charged to wells | $ $ 2,900   $ 1,700   $ 5,500 $ 3,400    
Effective Income Tax Rate Reconciliation, Percent 22.00%   4.00%   22.00% 6.00%    
Provision (Benefit) for Income Taxes | $ $ 7,351   $ 4,366   $ 34,163 $ 1,612    
Oil and gas sales | $ 126,400   $ 182,605   266,354 $ 312,261    
Trade accounts payable | $ 32,210       32,210     23,660
Accrued operating expenses | $ 10,565       10,565     10,572
Accrued payroll costs | $ 2,328       2,328     4,814
Asset retirement obligation - current portion | $ 1,551       1,551     1,284
Accrued non-income based taxes | $ 8,957       8,957     4,849
Accrued corporate and legal fees | $ 260       260     388
WTI contingency payouts - current portion | $ 975       975     1,600
Payables for Settled Derivatives | $ 1,016       1,016     6,026
Other payables | $ 2,281       2,281     7,007
Accounts payable and accrued liabilities | $ $ 60,143       $ 60,143     $ 60,200
Purchase of treasury stock (shares) | shares 5,310 126,240 16,485 96,012 131,550 112,497    
Treasury Shares Pursuant to Purchase Price Adjustment (shares) | shares       41,191   41,191    
Oil sales [Member]                
Summary of Significant Accounting Policies                
Oil and gas sales | $ $ 80,151   $ 44,014   $ 154,807 $ 83,755    
Natural gas sales [Member]                
Summary of Significant Accounting Policies                
Oil and gas sales | $ 33,805   123,296   86,727 200,668    
NGL sales [Member]                
Summary of Significant Accounting Policies                
Oil and gas sales | $ $ 12,443   $ 15,295   $ 24,820 $ 27,838    
Collar Contracts [Member] | Fourth Quarter 2023 | Oil Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 210,242       210,242      
Derivative, Average Floor Price 64.09       64.09      
Derivative, Average Cap Price 71.97       71.97      
Collar Contracts [Member] | Fourth Quarter 2023 | Oil Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             92,000  
Derivative, Average Floor Price             70.00  
Derivative, Average Cap Price             80.40  
Collar Contracts [Member] | Fourth Quarter 2023 | Natural Gas Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 12,445,000       12,445,000      
Derivative, Average Floor Price 3.87       3.87      
Derivative, Average Cap Price 4.80       4.80      
Collar Contracts [Member] | First Quarter 2024 | Oil Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 228,700       228,700      
Derivative, Average Floor Price 56.54       56.54      
Derivative, Average Cap Price 68.82       68.82      
Collar Contracts [Member] | First Quarter 2024 | Oil Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             91,000  
Derivative, Average Floor Price             65.00  
Derivative, Average Cap Price             79.10  
Collar Contracts [Member] | First Quarter 2024 | Natural Gas Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 7,841,000       7,841,000      
Derivative, Average Floor Price 4.10       4.10      
Derivative, Average Cap Price 6.19       6.19      
Collar Contracts [Member] | First Quarter 2024 | Natural Gas Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             1,820,000  
Derivative, Average Floor Price             3.25  
Derivative, Average Cap Price             4.29  
Collar Contracts [Member] | Second Quarter 2024 | Oil Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 124,000       124,000      
Derivative, Average Floor Price 58.21       58.21      
Derivative, Average Cap Price 69.51       69.51      
Collar Contracts [Member] | Second Quarter 2024 | Oil Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             91,000  
Derivative, Average Floor Price             65.00  
Derivative, Average Cap Price             79.10  
Collar Contracts [Member] | Second Quarter 2024 | Natural Gas Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 2,823,000       2,823,000      
Derivative, Average Floor Price 4.05       4.05      
Derivative, Average Cap Price 4.91       4.91      
Collar Contracts [Member] | Second Quarter 2024 | Natural Gas Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             1,820,000  
Derivative, Average Floor Price             3.00  
Derivative, Average Cap Price             3.31  
Collar Contracts [Member] | Third Quarter 2024 | Oil Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 92,000       92,000      
Derivative, Average Floor Price 62.00       62.00      
Derivative, Average Cap Price 71.95       71.95      
Collar Contracts [Member] | Third Quarter 2024 | Oil Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             92,000  
Derivative, Average Floor Price             65.00  
Derivative, Average Cap Price             79.10  
Collar Contracts [Member] | Third Quarter 2024 | Natural Gas Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 2,958,000       2,958,000      
Derivative, Average Floor Price 4.00       4.00      
Derivative, Average Cap Price 5.10       5.10      
Collar Contracts [Member] | Third Quarter 2024 | Natural Gas Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             920,000  
Derivative, Average Floor Price             3.00  
Derivative, Average Cap Price             3.65  
Collar Contracts [Member] | Fourth Quarter 2024 | Oil Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 92,000       92,000      
Derivative, Average Floor Price 61.00       61.00      
Derivative, Average Cap Price 71.60       71.60      
Collar Contracts [Member] | Fourth Quarter 2024 | Oil Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             92,000  
Derivative, Average Floor Price             65.00  
Derivative, Average Cap Price             79.10  
Collar Contracts [Member] | Fourth Quarter 2024 | Natural Gas Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 2,945,000       2,945,000      
Derivative, Average Floor Price 4.24       4.24      
Derivative, Average Cap Price 5.63       5.63      
Collar Contracts [Member] | Fourth Quarter 2024 | Natural Gas Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             920,000  
Derivative, Average Floor Price             3.25  
Derivative, Average Cap Price             4.40  
Collar Contracts [Member] | First Quarter 2025 | Oil Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 238,500       238,500      
Derivative, Average Floor Price 64.00       64.00      
Derivative, Average Cap Price 74.62       74.62      
Collar Contracts [Member] | First Quarter 2025 | Natural Gas Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 5,130,000       5,130,000      
Derivative, Average Floor Price 4.00       4.00      
Derivative, Average Cap Price 5.32       5.32      
Collar Contracts [Member] | Second Quarter 2025 | Oil Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 91,000       91,000      
Derivative, Average Floor Price 60.00       60.00      
Derivative, Average Cap Price 69.60       69.60      
Collar Contracts [Member] | Second Quarter 2025 | Oil Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             136,500  
Derivative, Average Floor Price             61.33  
Derivative, Average Cap Price             73.97  
Collar Contracts [Member] | Second Quarter 2025 | Natural Gas Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 910,000       910,000      
Derivative, Average Floor Price 3.25       3.25      
Derivative, Average Cap Price 4.03       4.03      
Collar Contracts [Member] | Second Quarter 2025 | Natural Gas Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             4,004,000  
Derivative, Average Floor Price             3.25  
Derivative, Average Cap Price             3.97  
Collar Contracts [Member] | Third Quarter 2025 | Natural Gas Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             920,000  
Derivative, Average Floor Price             3.25  
Derivative, Average Cap Price             3.99  
Collar Contracts [Member] | Fourth Quarter 2025 | Natural Gas Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             920,000  
Derivative, Average Floor Price             3.75  
Derivative, Average Cap Price             4.65  
Collar Contracts [Member] | First Quarter 2026 | Oil Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             90,000  
Derivative, Average Floor Price             64.00  
Derivative, Average Cap Price             71.50  
Collar Contracts [Member] | Second Quarter 2026 | Oil Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             91,000  
Derivative, Average Floor Price             64.00  
Derivative, Average Cap Price             71.50  
Collar Contracts [Member] | Third Quarter 2026 | Oil Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             92,000  
Derivative, Average Floor Price             64.00  
Derivative, Average Cap Price             71.50  
Swap [Member] | Fourth Quarter 2023 | Oil Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | bbl 569,300       569,300      
Derivative, Swap Type, Fixed Price | $ / Boe 78.26       78.26      
Swap [Member] | Fourth Quarter 2023 | Natural Gas Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 3,887,000       3,887,000      
Derivative, Swap Type, Fixed Price 4.71       4.71      
Swap [Member] | First Quarter 2024 | Oil Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | bbl 227,500       227,500      
Derivative, Swap Type, Fixed Price | $ / Boe 80.78       80.78      
Swap [Member] | First Quarter 2024 | Oil Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | bbl             273,000  
Derivative, Swap Type, Fixed Price | $ / Boe             75.11  
Swap [Member] | First Quarter 2024 | Natural Gas Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 2,711,000       2,711,000      
Derivative, Swap Type, Fixed Price 5.15       5.15      
Swap [Member] | Second Quarter 2024 | Oil Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | bbl 254,050       254,050      
Derivative, Swap Type, Fixed Price | $ / Boe 80.24       80.24      
Swap [Member] | Second Quarter 2024 | Oil Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | bbl             273,000  
Derivative, Swap Type, Fixed Price | $ / Boe             75.11  
Swap [Member] | Second Quarter 2024 | Natural Gas Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 7,800,000       7,800,000      
Derivative, Swap Type, Fixed Price 3.95       3.95      
Swap [Member] | Third Quarter 2024 | Oil Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | bbl 273,620       273,620      
Derivative, Swap Type, Fixed Price | $ / Boe 76.89       76.89      
Swap [Member] | Third Quarter 2024 | Oil Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | bbl             276,000  
Derivative, Swap Type, Fixed Price | $ / Boe             75.11  
Swap [Member] | Third Quarter 2024 | Natural Gas Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 7,820,000       7,820,000      
Derivative, Swap Type, Fixed Price 4.03       4.03      
Swap [Member] | Fourth Quarter 2024 | Oil Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | bbl 256,100       256,100      
Derivative, Swap Type, Fixed Price | $ / Boe 75.98       75.98      
Swap [Member] | Fourth Quarter 2024 | Oil Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | bbl             276,000  
Derivative, Swap Type, Fixed Price | $ / Boe             75.11  
Swap [Member] | Fourth Quarter 2024 | Natural Gas Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 7,820,000       7,820,000      
Derivative, Swap Type, Fixed Price 4.35       4.35      
Swap [Member] | First Quarter 2025 | Oil Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | bbl             270,000  
Derivative, Swap Type, Fixed Price | $ / Boe             70.60  
Swap [Member] | First Quarter 2025 | Natural Gas Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 900,000       900,000      
Derivative, Swap Type, Fixed Price 5.01       5.01      
Swap [Member] | Second Quarter 2025 | Oil Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | bbl             273,000  
Derivative, Swap Type, Fixed Price | $ / Boe             70.60  
Swap [Member] | Second Quarter 2025 | Natural Gas Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 910,000       910,000      
Derivative, Swap Type, Fixed Price 4.12       4.12      
Swap [Member] | Third Quarter 2025 | Oil Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | bbl             276,000  
Derivative, Swap Type, Fixed Price | $ / Boe             70.60  
Swap [Member] | Third Quarter 2025 | Natural Gas Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 920,000       920,000      
Derivative, Swap Type, Fixed Price 4.27       4.27      
Swap [Member] | Third Quarter 2025 | Natural Gas Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             920,000  
Derivative, Swap Type, Fixed Price             3.75  
Swap [Member] | Fourth Quarter 2025 | Oil Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | bbl             276,000  
Derivative, Swap Type, Fixed Price | $ / Boe             70.60  
Swap [Member] | Fourth Quarter 2025 | Natural Gas Derivative Swaps                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 920,000       920,000      
Derivative, Swap Type, Fixed Price 4.70       4.70      
Swap [Member] | Fourth Quarter 2025 | Natural Gas Derivative Swaps | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             920,000  
Derivative, Swap Type, Fixed Price             4.16  
Basis Swap [Member] | Fourth Quarter 2023 | Natural Gas Basis Derivative Swaps [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 13,800,000       13,800,000      
Derivative, Swap Type, Fixed Price (0.23)       (0.23)      
Basis Swap [Member] | First Quarter 2024 | Natural Gas Basis Derivative Swaps [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 11,830,000       11,830,000      
Derivative, Swap Type, Fixed Price 0.01       0.01      
Basis Swap [Member] | First Quarter 2024 | Natural Gas Basis Derivative Swaps [Member] | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             910,000  
Derivative, Swap Type, Fixed Price             0.075  
Basis Swap [Member] | Second Quarter 2024 | Natural Gas Basis Derivative Swaps [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 11,830,000       11,830,000      
Derivative, Swap Type, Fixed Price (0.32)       (0.32)      
Basis Swap [Member] | Second Quarter 2024 | Natural Gas Basis Derivative Swaps [Member] | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             910,000  
Derivative, Swap Type, Fixed Price             (0.261)  
Basis Swap [Member] | Third Quarter 2024 | Natural Gas Basis Derivative Swaps [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 11,960,000       11,960,000      
Derivative, Swap Type, Fixed Price (0.27)       (0.27)      
Basis Swap [Member] | Third Quarter 2024 | Natural Gas Basis Derivative Swaps [Member] | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             920,000  
Derivative, Swap Type, Fixed Price             (0.234)  
Basis Swap [Member] | Fourth Quarter 2024 | Natural Gas Basis Derivative Swaps [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 11,960,000       11,960,000      
Derivative, Swap Type, Fixed Price (0.31)       (0.31)      
Basis Swap [Member] | Fourth Quarter 2024 | Natural Gas Basis Derivative Swaps [Member] | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             920,000  
Derivative, Swap Type, Fixed Price             (0.276)  
Basis Swap [Member] | First Quarter 2025 | Natural Gas Basis Derivative Swaps [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 1,800,000       1,800,000      
Derivative, Swap Type, Fixed Price 0.04       0.04      
Basis Swap [Member] | First Quarter 2025 | Natural Gas Basis Derivative Swaps [Member] | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             900,000  
Derivative, Swap Type, Fixed Price             0.023  
Basis Swap [Member] | Second Quarter 2025 | Natural Gas Basis Derivative Swaps [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 1,820,000       1,820,000      
Derivative, Swap Type, Fixed Price (0.29)       (0.29)      
Basis Swap [Member] | Second Quarter 2025 | Natural Gas Basis Derivative Swaps [Member] | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             910,000  
Derivative, Swap Type, Fixed Price             (0.315)  
Basis Swap [Member] | Third Quarter 2025 | Natural Gas Basis Derivative Swaps [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 1,840,000       1,840,000      
Derivative, Swap Type, Fixed Price (0.24)       (0.24)      
Basis Swap [Member] | Third Quarter 2025 | Natural Gas Basis Derivative Swaps [Member] | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             920,000  
Derivative, Swap Type, Fixed Price             (0.240)  
Basis Swap [Member] | Fourth Quarter 2025 | Natural Gas Basis Derivative Swaps [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU 1,840,000       1,840,000      
Derivative, Swap Type, Fixed Price (0.29)       (0.29)      
Basis Swap [Member] | Fourth Quarter 2025 | Natural Gas Basis Derivative Swaps [Member] | Subsequent Event [Member]                
Summary of Significant Accounting Policies                
Oil and Gas Production Hedged Volumes | MMBTU             920,000  
Derivative, Swap Type, Fixed Price             (0.274)  
Minimum [Member]                
Summary of Significant Accounting Policies                
Estimated useful lives of property 2 years       2 years      
Maximum [Member]                
Summary of Significant Accounting Policies                
Estimated useful lives of property 20 years       20 years