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Statutory Requirements and Dividends Restrictions (Tables) | 12 Months Ended
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Dec. 31, 2023
Disclosure Statutory Requirements And Dividends Restrictions Summary Of Statutory Requirements And Dividends Restrictions [Abstract] |
Summary of Statutory Capital and Surplus Requirements |
| As at December 31, 2023
| U.S. |  | Bermuda |  | U.K.
| ($ in millions)
Required statutory capital and surplus | $ | 488.9 |  |  | $ | 601.1 |  |  | $ | 257.2 |
Actual statutory capital and surplus | $ | 1,063.1 |  |  | $ | 1,685.2 |  |  | $ | 734.7 |
| As at December 31, 2022
| U.S. |  | Bermuda |  | U.K.
| ($ in millions)
Required statutory capital and surplus | $ | 513.9 |  |  | $ | 536.7 |  |  | $ | 771.8 |
Actual statutory capital and surplus | $ | 838.6 |  |  | $ | 1,426.6 |  |  | $ | 802.5 |

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- Definition Summary of Statutory Capital and Surplus Requirements + References No definition available. + Details
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