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Acquisitions - Schedule of Purchase Price Allocation (Details) - USD ($) | Dec. 31, 2024 | May 31, 2024 | Dec. 31, 2023 | Jun. 30, 2023 | Jul. 01, 2022
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Liabilities assumed: |  |  |  |  |
Goodwill | $ 530,616,000 |  | $ 0 |  |
Enerplus Corporation Acquisition |  |  |  |  |
Assets acquired: |  |  |  |  |
Cash and cash equivalents |  | $ 239,921,000 |  |  |
Accounts receivable, net |  | 281,492,000 |  |  |
Inventory |  | 14,878,000 |  |  |
Prepaid expenses |  | 16,323,000 |  |  |
Oil and gas properties (successful efforts method) |  | 5,253,860,000 |  |  |
Other property and equipment |  | 6,812,000 |  |  |
Long-term inventory |  | 8,636,000 |  |  |
Operating right-of-use assets |  | 42,954,000 |  |  |
Other assets |  | 1,049,000 |  |  |
Total assets acquired |  | 5,865,925,000 |  |  |
Liabilities assumed: |  |  |  |  |
Accounts payable |  | 1,965,000 |  |  |
Revenues and production taxes payable |  | 199,706,000 |  |  |
Accrued liabilities |  | 186,334,000 |  |  |
Current portion of long-term debt |  | 60,063,000 |  |  |
Current operating lease liabilities |  | 27,420,000 |  |  |
Deferred tax liabilities |  | 1,179,200,000 |  |  |
Asset retirement obligations |  | 115,056,000 |  |  |
Operating lease liabilities |  | 15,534,000 |  |  |
Total liabilities assumed |  | 1,785,278,000 |  |  |
Net assets acquired |  | 4,080,647,000 |  |  |
Goodwill |  | 530,616,000 |  |  |
Purchase price consideration |  | $ 4,611,263,000 |  |  |
Williston Basin |  |  |  |  |
Assets acquired: |  |  |  |  |
Inventory |  |  |  | $ 1,844,000 |
Oil and gas properties (successful efforts method) |  |  |  | 367,672,000 |
Total assets acquired |  |  |  | 369,516,000 |
Liabilities assumed: |  |  |  |  |
Revenues and production taxes payable |  |  |  | 1,136,000 |
Asset retirement obligations |  |  |  | 6,771,000 |
Total liabilities assumed |  |  |  | 7,907,000 |
Net assets acquired |  |  |  | 361,609,000 |
Goodwill |  |  |  | $ 0 |
Whiting Merger |  |  |  |  |
Assets acquired: |  |  |  |  |
Cash and cash equivalents |  |  |  |  | $ 94,641,000
Accounts receivable, net |  |  |  |  | 491,514,000
Inventory |  |  |  |  | 35,256,000
Prepaid expenses |  |  |  |  | 14,851,000
Other current assets |  |  |  |  | 5,719,000
Current assets held for sale |  |  |  |  | 16,074,000
Oil and gas properties (successful efforts method) |  |  |  |  | 3,211,043,000
Other property and equipment |  |  |  |  | 31,244,000
Long-term inventory |  |  |  |  | 3,138,000
Operating right-of-use assets |  |  |  |  | 15,752,000
Deferred tax assets |  |  |  |  | 228,574,000
Other assets |  |  |  |  | 3,346,000
Total assets acquired |  |  |  |  | 4,151,152,000
Liabilities assumed: |  |  |  |  |
Accounts payable |  |  |  |  | 116,769,000
Revenues and production taxes payable |  |  |  |  | 411,553,000
Accrued liabilities |  |  |  |  | 215,218,000
Current operating lease liabilities |  |  |  |  | 2,629,000
Derivatives instruments (current liability) |  |  |  |  | 471,693,000
Other current liabilities |  |  |  |  | 2,902,000
Current liabilities held for sale |  |  |  |  | 9,410,000
Asset retirement obligations |  |  |  |  | 57,197,000
Derivative instruments (long-term liability) |  |  |  |  | 15,128,000
Operating lease liabilities |  |  |  |  | 13,123,000
Other liabilities |  |  |  |  | 2,728,000
Total liabilities assumed |  |  |  |  | 1,318,350,000
Goodwill |  |  |  |  | 0
Purchase price consideration |  |  |  |  | $ 2,832,802,000

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