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Summary of Significant Accounting Policies - The Merger (Details) $ / shares in Units, $ in Millions |  |  | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jul. 01, 2022 USD ($) $ / shares shares | Jun. 16, 2022 $ / shares | Jun. 30, 2022 $ / shares shares | Jun. 30, 2021 $ / shares | Jun. 28, 2022 $ / shares shares | Jun. 27, 2022 shares | Dec. 31, 2021 $ / shares shares
Business Acquisition [Line Items] |  |  |  |  |  |  |
Common stock, par value (in dollars per share) |  |  | $ 0.01 |  | $ 0.01 |  | $ 0.01
Common stock, shares authorized (in shares) | shares |  |  | 60,000,000 |  | 120,000,000 | 60,000,000 | 60,000,000
Special Cash Dividend |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Dividends declared (in dollars per share) |  | $ 15.00 | $ 15.00 | $ 4.00 |  |  |
Subsequent Event |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Common stock, par value (in dollars per share) | $ 0.01 |  |  |  |  |  |
Common stock, shares authorized (in shares) | shares | 120,000,000 |  |  |  |  |  |
Whiting Petroleum Corporation | Subsequent Event |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Common stock, par value (in dollars per share) | $ 0.001 |  |  |  |  |  |
Whiting Petroleum Corporation | Subsequent Event |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Aggregate consideration paid (in shares) | shares | 22,671,871 |  |  |  |  |  |
Cash paid | $ | $ 245.4 |  |  |  |  |  |
Convertible common stock, conversion ratio | 0.5774 |  |  |  |  |  |
Share price (in dollars per share) | $ 6.25 |  |  |  |  |  |

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