XML 300 R87.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2
Investments - Mortgage Loan Valuation Allowance (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Mortgage loans and reinsurance recoverables, Changes in financing receivable valuation allowance      
Beginning balance, Financing receivable valuation allowance $ 83.2 $ 46.4 $ 48.9
Provision: Financing receivable valuation allowance 51.1 34.7 (5.7)
Charge-offs: Financing receivable valuation allowance (0.4) (0.2) (0.5)
Recoveries: Financing receivable valuation allowance 1.5 2.3 3.7
Ending balance, Financing receivable valuation allowance 135.4 83.2 46.4
Commercial mortgage loans      
Mortgage loans and reinsurance recoverables, Changes in financing receivable valuation allowance      
Beginning balance, Financing receivable valuation allowance 75.5 42.0 40.5
Provision: Financing receivable valuation allowance 50.6 33.5 1.5
Ending balance, Financing receivable valuation allowance $ 126.1 75.5 42.0
Mortgage loans, Days delinquent to be analyzed for valuation allowance 60 days    
Residential mortgage loans      
Mortgage loans and reinsurance recoverables, Changes in financing receivable valuation allowance      
Beginning balance, Financing receivable valuation allowance $ 5.0 1.7 5.7
Provision: Financing receivable valuation allowance   1.2 (7.2)
Charge-offs: Financing receivable valuation allowance (0.4) (0.2) (0.5)
Recoveries: Financing receivable valuation allowance 1.5 2.3 3.7
Ending balance, Financing receivable valuation allowance $ 6.1 5.0 1.7
Mortgage loans, Days delinquent to be analyzed for valuation allowance 60 days    
Reinsurance recoverables      
Mortgage loans and reinsurance recoverables, Changes in financing receivable valuation allowance      
Beginning balance, Financing receivable valuation allowance $ 2.7 2.7 2.7
Provision: Financing receivable valuation allowance 0.5    
Ending balance, Financing receivable valuation allowance 3.2 2.7 2.7
Other financing receivables      
Mortgage loans and reinsurance recoverables, Changes in financing receivable valuation allowance      
Beginning balance, Financing receivable valuation allowance 0.0 0.0  
Ending balance, Financing receivable valuation allowance $ 0.0 $ 0.0 $ 0.0