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Investments - Mortgage Loan Credit Monitoring (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
Financing Receivable, Credit Quality Indicator |  |
Mortgage loans, Total amortized cost | $ 18,943.2 | $ 18,103.9
Reinsurance recoverables | 1,089.7 | 1,098.0
Accrued interest receivable | 576.3 | 552.5
Commercial mortgage loans |  |
Financing Receivable, Credit Quality Indicator |  |
2021 | 666.7 |
2020 | 1,991.8 | 2,019.8
2019 | 2,775.1 | 2,769.9
2018 | 2,788.0 | 2,817.2
2017 | 1,998.3 | 2,049.3
2016 |  | 1,509.3
Prior | 5,622.0 | 4,276.1
Mortgage loans, Total amortized cost | 15,841.9 | 15,441.6
Accrued interest receivable | 62.6 | 60.0
Commercial mortgage loans | A- and above |  |
Financing Receivable, Credit Quality Indicator |  |
2021 | 621.3 |
2020 | 1,751.8 | 1,807.6
2019 | 2,481.3 | 2,486.8
2018 | 2,486.1 | 2,464.7
2017 | 1,729.8 | 1,780.8
2016 |  | 1,417.8
Prior | 4,966.1 | 3,697.0
Mortgage loans, Total amortized cost | 14,036.4 | 13,654.7
Commercial mortgage loans | BBB+ thru BBB- |  |
Financing Receivable, Credit Quality Indicator |  |
2021 | 45.4 |
2020 | 197.8 | 149.1
2019 | 193.3 | 194.1
2018 | 301.9 | 352.5
2017 | 262.8 | 262.7
2016 |  | 75.8
Prior | 561.6 | 499.7
Mortgage loans, Total amortized cost | 1,562.8 | 1,533.9
Commercial mortgage loans | BB+ thru BB- |  |
Financing Receivable, Credit Quality Indicator |  |
2020 | 29.2 | 23.7
2019 | 80.4 | 69.0
2016 |  | 9.1
Prior | 52.4 | 43.9
Mortgage loans, Total amortized cost | 162.0 | 145.7
Commercial mortgage loans | B+ and below |  |
Financing Receivable, Credit Quality Indicator |  |
2020 | 13.0 | 39.4
2019 | 20.1 | 20.0
2017 | 5.7 | 5.8
2016 |  | 6.6
Prior | 41.9 | 35.5
Mortgage loans, Total amortized cost | 80.7 | 107.3
Direct financing leases |  |
Financing Receivable, Credit Quality Indicator |  |
2021 | 30.8 |
2020 | 187.8 | 209.7
2019 | 29.6 | 29.6
2018 | 66.1 | 65.8
2017 | 37.6 | 37.6
2016 |  | 19.3
Prior | 367.1 | 348.8
Mortgage loans, Total amortized cost | 719.0 | 710.8
Accrued interest receivable | 1.6 | 0.5
Direct financing leases | A- and above |  |
Financing Receivable, Credit Quality Indicator |  |
2020 | 43.9 | 43.9
2019 | 1.6 | 1.6
2018 | 42.7 | 42.6
2017 | 19.3 | 19.2
2016 |  | 15.3
Prior | 217.3 | 202.9
Mortgage loans, Total amortized cost | 324.8 | 325.5
Direct financing leases | BBB+ thru BBB- |  |
Financing Receivable, Credit Quality Indicator |  |
2021 | 30.8 |
2020 | 88.1 | 94.9
2019 | 5.5 | 5.5
2018 | 11.4 | 11.3
2017 | 18.3 | 18.4
2016 |  | 3.0
Prior | 38.8 | 35.5
Mortgage loans, Total amortized cost | 192.9 | 168.6
Direct financing leases | BB+ thru BB- |  |
Financing Receivable, Credit Quality Indicator |  |
2020 | 13.3 | 13.3
Prior | 1.8 | 1.9
Mortgage loans, Total amortized cost | 15.1 | 15.2
Direct financing leases | B+ and below |  |
Financing Receivable, Credit Quality Indicator |  |
2020 | 42.5 | 57.6
2019 | 22.5 | 22.5
2018 | 12.0 | 11.9
2016 |  | 1.0
Prior | 109.2 | 108.5
Mortgage loans, Total amortized cost | 186.2 | 201.5
Residential mortgage loans |  |
Financing Receivable, Credit Quality Indicator |  |
2021 | 423.0 |
2020 | 713.6 | 699.1
2019 | 277.5 | 338.7
2018 | 147.7 | 167.8
2017 | 170.6 | 166.5
2016 |  | 168.0
Prior | 649.9 | 411.4
Mortgage loans, Total amortized cost | 2,382.3 | 1,951.5
Accrued interest receivable | 6.0 | 2.0
Residential mortgage loans | Performing |  |
Financing Receivable, Credit Quality Indicator |  |
2021 | 423.0 |
2020 | 713.0 | 699.1
2019 | 277.5 | 336.7
2018 | 147.7 | 167.0
2017 | 170.6 | 165.1
2016 |  | 167.6
Prior | 641.4 | 398.7
Mortgage loans, Total amortized cost | 2,373.2 | 1,934.2
Residential mortgage loans | Non-performing |  |
Financing Receivable, Credit Quality Indicator |  |
2020 | 0.6 |
2019 |  | 2.0
2018 |  | 0.8
2017 |  | 1.4
2016 |  | 0.4
Prior | 8.5 | 12.7
Mortgage loans, Total amortized cost | $ 9.1 | $ 17.3
Mortgage loans, Days delinquent to be considered non-performing | 90 days |

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