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Schedule 2 - Parent Company Financial Statements - Balance Sheets (Additional Information) (Details) - USD ($) $ in Millions | Dec. 31, 2019 | Jun. 07, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Amortized cost of fixed maturities | $ 6,372.7 |  | $ 6,284.5
Debt | $ 820.2 |  | 911.2
Senior Notes | Senior Notes Payable, 4.35% due 2025 (Fair Value: 2019 – $478.6; 2018 – $444.2) |  |  |
Stated interest rate, percentage | 4.35% |  |
Subordinated Debt | Subordinated Debentures due 2054 (Fair Value: 2018 – $151.1) |  |  |
Stated interest rate, percentage | 7.375% | 7.375% |
Parent Company |  |  |
Amortized cost of fixed maturities | $ 0.0 |  | 12.6
Parent Company | Secured Debt | Term Loan due June 29, 2020 (Fair Value: 2018 – $35.0) |  |  |
Debt | 0.0 |  | 35.0
Parent Company | Secured Debt | Term Loan due July 5, 2023 (Fair Value: 2019 – $50.0) |  |  |
Debt | 50.0 |  | 0.0
Parent Company | Senior Notes | Senior Notes Payable, 4.35% due 2025 (Fair Value: 2019 – $478.6; 2018 – $444.2) |  |  |
Debt | $ 478.6 |  | $ 444.2
Stated interest rate, percentage | 4.35% |  | 4.35%
Parent Company | Subordinated Debt | Subordinated Debentures due 2054 (Fair Value: 2018 – $151.1) |  |  |
Debt | $ 0.0 |  | $ 151.1
Stated interest rate, percentage | 7.375% |  | 7.375%

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