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Investments - Mortgage Loan Valuation Allowance (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Direct financing leases, Changes in financing receivable valuation allowance |  |  |  |
Beginning balance, Direct financing lease valuation allowance | $ 3.2 | $ 0.7 | $ 3.0 | $ 0.9
Provision: Direct financing lease valuation allowance | (0.1) | 1.2 | (0.1) | 1.1
Foreign currency translation adjustment: Direct financing lease valuation allowance |  |  | 0.2 | (0.1)
Ending balance, Direct financing lease valuation allowance | 3.1 | 1.9 | 3.1 | 1.9
Total, Changes in financing receivable valuation allowance |  |  |  |
Beginning balance valuation allowance | 201.7 | 157.2 | 202.2 | 139.6
Provision | 13.7 | 33.9 | 10.4 | 51.7
Charge-offs | (0.1) | (11.9) | (1.4) | (11.9)
Recoveries | 1.4 | 0.1 | 5.2 | 0.4
Foreign currency translation adjustment | 0.2 | 0.1 | 0.5 | (0.4)
Ending balance valuation allowance | 216.9 | 179.4 | 216.9 | 179.4
Allowance recorded | 216.9 | 179.4 | 216.9 | 179.4
Accrued interest receivable written off |  |  | 0.3 |
Commercial mortgage loans |  |  |  |
Mortgage loans and reinsurance recoverables, Changes in financing receivable valuation allowance |  |  |  |
Beginning balance, Financing receivable valuation allowance | 185.1 | 144.5 | 188.6 | 128.8
Provision: Financing receivable valuation allowance | 10.5 | 32.2 | 8.2 | 48.2
Charge-offs: Financing receivable valuation allowance |  | (11.8) | (1.3) | (11.8)
Recoveries: Financing receivable valuation allowance | 0.4 |  | 0.4 |
Foreign currency translation adjustment: Financing receivable valuation allowance | 0.1 | 0.1 | 0.2 | (0.2)
Ending balance, Financing receivable valuation allowance | 196.1 | 165.0 | $ 196.1 | 165.0
Total, Changes in financing receivable valuation allowance |  |  |  |
Mortgage loans, Days delinquent to be analyzed for valuation allowance |  |  | 60 days |
Accrued interest receivable written off |  |  | $ 0.3 |
Residential mortgage loans |  |  |  |
Mortgage loans and reinsurance recoverables, Changes in financing receivable valuation allowance |  |  |  |
Beginning balance, Financing receivable valuation allowance | 10.2 | 8.8 | 7.3 | 6.7
Provision: Financing receivable valuation allowance | 3.3 | 0.6 | 2.4 | 2.5
Charge-offs: Financing receivable valuation allowance | (0.1) | (0.1) | (0.1) | (0.1)
Recoveries: Financing receivable valuation allowance | 1.0 | 0.1 | 4.8 | 0.4
Foreign currency translation adjustment: Financing receivable valuation allowance | 0.1 |  | 0.1 | (0.1)
Ending balance, Financing receivable valuation allowance | 14.5 | 9.4 | $ 14.5 | 9.4
Total, Changes in financing receivable valuation allowance |  |  |  |
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 | 3.2 | 3.2 | $ 3.3 | 3.2
Provision: Financing receivable valuation allowance |  | (0.1) | (0.1) | (0.1)
Ending balance, Financing receivable valuation allowance | 3.2 | 3.1 | 3.2 | 3.1
Other loans |  |  |  |
Total, Changes in financing receivable valuation allowance |  |  |  |
Beginning balance valuation allowance | 0.0 | 0.0 |  |
Ending balance valuation allowance | 0.0 | 0.0 | 0.0 | 0.0
Allowance recorded | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0

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- Definition The numbers of days for which a mortgage loan has been delinquent such that it is analyzed to determine if a valuation allowance is needed. + References No definition available. + Details
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- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on net investment in direct financing lease from foreign currency translation gain (loss). + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount excluding accrued interest, of credit loss expense (reversal of expense) on net investment in direct financing lease. + References No definition available. + Details
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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Includes net investment in direct financing lease. + References No definition available. + Details
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- Definition Amount, excluding accrued interest, of foreign currency translation gain (loss) which decreases (increases) allowance for credit loss on financing receivable. Includes net investment in direct financing lease. + References No definition available. + Details
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- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Includes net investment in direct financing lease. + References No definition available. + Details
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- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Includes net investment in direct financing lease. + References No definition available. + Details
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- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Includes net investment in direct financing lease. + References No definition available. + Details
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- Definition Amount excluding accrued interest, of allowance for credit loss on net investment in direct financing lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
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- Definition Amount of writeoff of accrued interest on financing receivable recognized by reversing interest income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3D -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3D + Details
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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
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