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Stockholders' Equity (Successor) - Narrative (Details) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 3 Months Ended | 8 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 26, 2024 USD ($) shares | Feb. 14, 2024 USD ($) shares | Feb. 13, 2024 USD ($) | Sep. 30, 2024 USD ($) $ / shares shares | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) day $ / shares shares | Sep. 30, 2024 USD ($) $ / shares shares | Sep. 30, 2023 USD ($) | Jun. 30, 2024 shares | Mar. 31, 2024 shares | Feb. 15, 2024 $ / shares
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Preferred stock par value (in dollars per share) | $ / shares |  |  |  | $ 0.0001 |  | $ 0.0001 | $ 0.0001 |  |  |  |
Preferred stock authorized (in shares) |  |  |  | 1,000,000 |  | 1,000,000 | 1,000,000 |  |  |  |
Preferred stock issued (in shares) |  |  |  | 0 |  | 0 | 0 |  |  |  |
Preferred stock outstanding (in shares) |  |  |  | 0 |  | 0 | 0 |  |  |  |
Common stock authorized (in shares) |  |  |  | 500,000,000 |  | 500,000,000 | 500,000,000 |  |  |  |
Common stock par value (in dollars per share) | $ / shares |  |  |  | $ 0.0001 |  | $ 0.0001 | $ 0.0001 |  |  |  | $ 0.0001
Common stock issued (in shares) |  |  |  | 78,789,516 |  | 78,789,516 | 78,789,516 |  |  |  |
Common stock outstanding (in shares) |  | 60,166,269 |  | 78,789,516 |  | 78,789,516 | 78,789,516 |  |  |  |
Minimum price per share of stock to transfer or sale (in dollars per share) | $ / shares |  |  |  | $ 12.00 |  | $ 12.00 | $ 12.00 |  |  |  |
Number of trading days for determining the newly issued share price | day |  |  |  |  |  | 20 |  |  |  |  |
Number of consecutive trading days for determining the newly issued share price | day |  |  |  |  |  | 30 |  |  |  |  |
Commencing period |  |  |  |  |  | 150 days |  |  |  |  |
Shares issued (in shares) | 7,500,000 | 44,024,910 |  |  |  |  |  |  |  |  |
Pipe investment value | $ | $ 150,000 | $ 440,200 |  |  |  |  |  |  |  |  |
Accrued equity issuance costs | $ |  |  | $ 0 |  |  | $ 7,482 |  | $ 0 |  |  |
Exercised (in shares) |  |  |  |  |  | 6,315,977 |  |  |  |  |
Cash received on warrants exercised | $ |  |  | $ 0 | $ 72,500 | $ 0 | $ 72,452 | $ 72,500 |  |  |  |
Warrants Common Stock |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Exercised (in shares) |  |  |  | 6,315,977 |  |  | 6,315,977 |  |  |  |
Issuance of Common Stock upon exercise of warrants (in shares) |  |  |  | 6,315,977 |  |  | 6,315,977 |  |  |  |
Common Stock |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock outstanding (in shares) |  | 13,141,359 |  | 78,789,516 |  | 78,789,516 | 78,789,516 |  | 64,845,435 | 62,924,603 |
Issuance of Common Stock upon exercise of warrants (in shares) |  |  |  | 6,315,977 |  |  |  |  |  |  |
Initial stockholders |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock outstanding (in shares) |  | 7,187,500 |  |  |  |  |  |  |  |  |

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