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Stockholders’ Equity (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
May 28, 2024 | May 23, 2024 | Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | May 22, 2024 | May 09, 2024 | Dec. 31, 2023
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Common stock, authorized shares (in shares) |  |  | 400,000,000 |  | 400,000,000 |  |  |  | 400,000,000
Common stock, par value (in dollars per share) |  |  | $ 0.01 |  | $ 0.01 |  |  | $ 0.01 | $ 0.01
Preferred stock, authorized shares (in shares) |  |  | 100,000,000 |  | 100,000,000 |  |  |  |
Preferred stock, par or stated value per share (in dollars per share) |  |  | $ 0.01 |  | $ 0.01 |  |  |  |
Proceeds from initial public offering, net |  |  |  |  | $ 130,983 | $ 0 |  |  |
Public Offerings |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Sale of stock, number of shares issued in transaction (in shares) | 8,658,823 | 8,658,823 |  |  |  |  |  |  |
Common stock per share (in dollars per share) | $ 17.00 | $ 17.00 |  |  |  |  | $ 17.00 |  |
Proceeds from initial public offering, net | $ 131,000 | $ 131,000 |  |  |  |  |  |  |
Bowhead Insurance Holdings LP (BIHL) | Related Party |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Capital contribution from parent, contributed amount |  |  | $ 0 | $ 22,300 | $ 4,500 | $ 53,600 |  |  |

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