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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2024
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Additional Amount into Investment Portfolio | As of December 31, 2024, we have made commitments that may require us to invest additional amounts into our investment portfolio, which are as follows:
($ in millions) |  | Amount of Obligation
Alternative investments |  | $ | 320.5 |
Non-publicly traded CLOs in our fixed income securities portfolio |  | 143.4 |
Non-publicly traded common stock within our equity portfolio |  | 22.1 |
CMLs |  | 18.4 |
Privately-placed corporate securities |  | 57.0 |
Total |  | $ | 561.4 |

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- Definition Tabular disclosure of information about obligations resulting from other commitments. + References No definition available. + Details
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