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v3.22.1

Municipal Bond Guarantee Insurance - Schedule of Net Written Premiums (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Earned premiums: |  |
Net earned premiums | $ 202.8 | $ 111.0
HG/BAM |  |
Written premiums: |  |
Direct | 9.4 | 8.0
Assumed | 0.0 | 4.5
Net written premiums | 9.4 | 12.5
Earned premiums: |  |
Direct | 7.6 | 5.3
Assumed | 0.8 | 1.1
Net earned premiums | $ 8.4 | $ 6.4

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