v3.25.2
Municipal Bond Guarantee Insurance - Schedule of Municipal Guarantee Insurance Contracts, Premium Received Over Contract Period (Details) - Variable Interest Entity, Primary Beneficiary - HG Global
$ in Millions
Jun. 30, 2025
USD ($)
Guarantor Obligations [Line Items]  
July 1, 2025 - September 30, 2025 $ 6.8
October 1, 2025 - December 31, 2025 6.7
Total 2025 13.5
2026 26.0
2027 24.6
2028 23.0
2029 21.5
2030 and thereafter 199.3
Total gross unearned insurance premiums $ 307.9