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Schedule of Participating Mortgage Loans by Internal Credit Rating and Loan to Value (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Mortgage Loans on Real Estate |  |  |
Mortgage Loans, Carrying Amount | [1],[2] | $ 2,129.8 | $ 2,224.5
Mortgage Loans, Percent of Total | [2] | 100.00% | 100.00%
Loan to Value Ratio Below or Equal to 65 Percent |  |  |
Mortgage Loans on Real Estate |  |  |
Mortgage Loans, Carrying Amount | [2] | $ 1,648.1 | $ 1,639.6
Mortgage Loans, Percent of Total | [2] | 77.40% | 73.80%
Loan To Value Ratio Above 65 To 75 Percent |  |  |
Mortgage Loans on Real Estate |  |  |
Mortgage Loans, Carrying Amount | [2] | $ 252.7 | $ 367.6
Mortgage Loans, Percent of Total | [2] | 11.90% | 16.50%
Loan To Value Ratio Above 75 To 85 Percent |  |  |
Mortgage Loans on Real Estate |  |  |
Mortgage Loans, Carrying Amount | [2] | $ 132.6 | $ 152.3
Mortgage Loans, Percent of Total | [2] | 6.20% | 6.80%
Loan To Value Ratio Above 85 Percent |  |  |
Mortgage Loans on Real Estate |  |  |
Mortgage Loans, Carrying Amount | [2] | $ 96.4 | $ 65.0
Mortgage Loans, Percent of Total | [2] | 4.50% | 2.90%
AA Credit Rating |  |  |
Mortgage Loans on Real Estate |  |  |
Mortgage Loans, Carrying Amount |  | $ 105.0 | $ 117.8
Mortgage Loans, Percent of Total |  | 4.90% | 5.30%
A Credit Rating |  |  |
Mortgage Loans on Real Estate |  |  |
Mortgage Loans, Carrying Amount |  | $ 1,058.7 | $ 1,099.1
Mortgage Loans, Percent of Total |  | 49.70% | 49.40%
BBB Credit Rating |  |  |
Mortgage Loans on Real Estate |  |  |
Mortgage Loans, Carrying Amount |  | $ 840.6 | $ 915.5
Mortgage Loans, Percent of Total |  | 39.50% | 41.20%
BB Credit Rating |  |  |
Mortgage Loans on Real Estate |  |  |
Mortgage Loans, Carrying Amount |  | $ 110.5 | $ 85.0
Mortgage Loans, Percent of Total |  | 5.20% | 3.80%
B Credit Rating |  |  |
Mortgage Loans on Real Estate |  |  |
Mortgage Loans, Carrying Amount |  | $ 15.0 | $ 7.1
Mortgage Loans, Percent of Total |  | 0.70% | 0.30%
[1] | 1 Loan-to-Value Ratio utilizes the most recent internal valuation of the property
[2] | Loan-to-Value Ratio utilizes the most recent internal valuation of the property

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