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SCHEDULE III - SUPPLEMENTARY INSURANCE INFORMATION (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
P&C Insurance and Reinsurance (Ark/WM Outrigger) |  |  |
SUPPLEMENTARY INSURANCE INFORMATION |  |  |
Deferred Acquisition Costs | $ 165.2 | $ 145.3 | $ 127.2
Future Policy Benefits, Losses, Claims and Loss Expenses | 2,127.5 | 1,605.1 | 1,296.5
Unearned Premiums | 853.3 | 743.6 | 623.2
Other Policy Claims and Benefits Payable | 0.0 | 0.0 | 0.0
Premiums Earned | 1,587.8 | 1,409.7 | 1,043.4
Net Investment Income | 90.7 | 61.4 | 16.3
Benefits, Claims, Losses and Settlement Expenses | 855.8 | 726.8 | 536.4
Amortization of Deferred Acquisition Costs | 294.1 | 273.1 | 238.3
Other Operating Expenses | 136.1 | 113.6 | 78.7
Premiums Written | 1,679.1 | 1,520.9 | 1,195.2
Financial Guarantee (HG Global) |  |  |
SUPPLEMENTARY INSURANCE INFORMATION |  |  |
Deferred Acquisition Costs | 86.6 | 40.1 | 36.0
Future Policy Benefits, Losses, Claims and Loss Expenses | 0.0 | 0.0 | 0.0
Unearned Premiums | 297.3 | 325.8 | 298.3
Other Policy Claims and Benefits Payable | 0.0 | 0.0 | 0.0
Premiums Earned | 31.7 | 31.2 | 33.3
Net Investment Income | 32.2 | 31.7 | 21.5
Benefits, Claims, Losses and Settlement Expenses | 0.0 | 0.0 | 0.0
Amortization of Deferred Acquisition Costs | 8.2 | 8.6 | 11.2
Other Operating Expenses | 0.2 | 0.4 | 0.4
Premiums Written | 56.0 | $ 58.6 | $ 65.1
Bamboo Captive |  |  |
SUPPLEMENTARY INSURANCE INFORMATION |  |  |
Deferred Acquisition Costs | 10.2 |  |
Future Policy Benefits, Losses, Claims and Loss Expenses | 17.8 |  |
Unearned Premiums | 31.5 |  |
Other Policy Claims and Benefits Payable | 0.0 |  |
Premiums Earned | 39.4 |  |
Net Investment Income | 1.4 |  |
Benefits, Claims, Losses and Settlement Expenses | 20.6 |  |
Amortization of Deferred Acquisition Costs | 14.1 |  |
Other Operating Expenses | 0.0 |  |
Premiums Written | 50.0 |  |
Bamboo CRV |  |  |
SUPPLEMENTARY INSURANCE INFORMATION |  |  |
Deferred Acquisition Costs | 5.8 |  |
Future Policy Benefits, Losses, Claims and Loss Expenses | 12.1 |  |
Unearned Premiums | 29.0 |  |
Other Policy Claims and Benefits Payable | 0.0 |  |
Premiums Earned | 32.7 |  |
Net Investment Income | 0.4 |  |
Benefits, Claims, Losses and Settlement Expenses | 12.1 |  |
Amortization of Deferred Acquisition Costs | 12.1 |  |
Other Operating Expenses | 0.0 |  |
Premiums Written | $ 61.7 |  |

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