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Supplemental Gas Data (unaudited) - Future Cash Flow of Proved Reserves (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 USD ($) usd_per_mcf usd_per_bbl | Dec. 31, 2020 USD ($) usd_per_mcf usd_per_bbl | Dec. 31, 2019 USD ($) usd_per_mcf usd_per_bbl | Dec. 31, 2018 USD ($)
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items] |  |  |  |
Revenues | $ 31,838,532 | $ 16,577,563 | $ 19,489,588 |
Production Costs | (8,246,671) | (6,071,763) | (7,903,120) |
Development Costs | (1,735,784) | (1,957,519) | (1,121,073) |
Income Tax Expense | (5,838,632) | (2,235,205) | (2,720,994) |
Future Net Cash Flows | 16,017,445 | 6,313,076 | 7,744,401 |
Discounted to Present Value at a 10% Annual Rate | (10,135,869) | (3,677,340) | (4,673,932) |
Total Standardized Measure of Discounted Net Cash Flows | 5,881,576 | 2,635,736 | $ 3,070,469 | $ 4,655,457
Increase in standardized measure of discounted net cash flows |  | 932,000 |  |
Development costs, plugging and abandonment costs | 405,700 | 402,174 |  |
Pre-tax discounted basis, plugging and abandonment costs | 7,166 | 18,357 |  |
Midstream |  |  |  |
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items] |  |  |  |
Development costs relating to capital | 185,074 | 286,724 |  |
Pre-tax discounted basis, development costs relating to capital | $ 154,200 | $ 231,512 |  |
Natural Gas |  |  |  |
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items] |  |  |  |
Adjusted oil price (in usd per unit) | usd_per_mcf | 3.19 | 1.70 | 2.24 |
Oil |  |  |  |
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items] |  |  |  |
Adjusted oil price (in usd per unit) | usd_per_bbl | 55.72 | 35.61 | 44.31 |
NGL |  |  |  |
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Line Items] |  |  |  |
Adjusted oil price (in usd per unit) | usd_per_bbl | 28.44 | 13.18 | 19.10 |

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