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Investments - Mortgage Loan Valuation Allowance (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Direct financing leases, Changes in financing receivable valuation allowance |  |
Beginning balance, Direct financing lease valuation allowance | $ 0.6 | $ 0.4
Provision: Direct financing lease valuation allowance | (0.1) |
Foreign currency translation adjustment: Direct financing lease valuation allowance | 0.1 |
Ending balance, Direct financing lease valuation allowance | 0.6 | 0.4
Total, Changes in financing receivable valuation allowance |  |
Beginning balance valuation allowance | 86.8 | 49.0
Provision | 3.6 | 21.6
Charge-offs | (0.1) | (0.1)
Recoveries | 0.2 | 0.4
Foreign currency translation adjustment | 0.4 | 0.1
Ending balance valuation allowance | 90.9 | 71.0
Commercial mortgage loans |  |
Mortgage loans and reinsurance recoverables, Changes in financing receivable valuation allowance |  |
Beginning balance, Financing receivable valuation allowance | 77.9 | 43.9
Provision: Financing receivable valuation allowance | 3.8 | 22.1
Foreign currency translation adjustment: Financing receivable valuation allowance | 0.2 | 0.1
Ending balance, Financing receivable valuation allowance | $ 81.9 | 66.1
Total, Changes in financing receivable valuation allowance |  |
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 | $ 5.6 | 2.0
Provision: Financing receivable valuation allowance | 0.1 | (0.5)
Charge-offs: Financing receivable valuation allowance | (0.1) | (0.1)
Recoveries: Financing receivable valuation allowance | 0.2 | 0.4
Foreign currency translation adjustment: Financing receivable valuation allowance | 0.1 |
Ending balance, Financing receivable valuation allowance | $ 5.9 | 1.8
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 | $ 2.7 | 2.7
Provision: Financing receivable valuation allowance | (0.2) |
Ending balance, Financing receivable valuation allowance | $ 2.5 | $ 2.7

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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 financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + 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. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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