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v3.23.1

Third-Party Reinsurance - Effects of Reinsurance (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Earned premiums: |  |
Net earned premiums | $ 262.8 | $ 202.8
Ark |  |
Written premiums: |  |
Direct | 246.2 | 230.9
Assumed | 563.2 | 402.2
Gross written premiums | 809.4 | 633.1
Ceded | (195.2) | (89.3)
Net written premiums | 614.2 | 543.8
Earned premiums: |  |
Direct | 150.4 | 138.7
Assumed | 162.1 | 106.6
Gross earned premiums | 312.5 | 245.3
Ceded | (57.4) | (50.9)
Net earned premiums | 255.1 | 194.4
Losses and LAE: |  |
Policyholder Benefits and Claims Incurred, Assumed | 162.4 | 183.1
Policyholder Benefits and Claims Incurred, Ceded | (14.6) | (61.1)
Policyholder Benefits and Claims Incurred, Net, Total | 147.8 | $ 122.0
P&C Insurance and Reinsurance (Ark/WM Outrigger) |  |
Written premiums: |  |
Ceded | (44.1) |
Earned premiums: |  |
Ceded | (5.2) |
Losses and LAE: |  |
Policyholder Benefits and Claims Incurred, Ceded | $ (0.2) |

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