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Schedule I - Summary of Investments Other-Than-Investments in Related Parties
12 Months Ended
Dec. 31, 2020
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Abstract]  
Schedule I - Summary of Investments Other-Than-Investments in Related Parties
Schedule I — Summary of Investments
Other-Than-Investments in Related Parties
Cost or
Amortized
 Cost
Fair
 Value
Amount at
 which shown in
 balance sheet
(in millions)
Fixed maturity securities:
U.S. government and government agencies and authorities$0.6 $0.7 $0.7 
States, municipalities and political subdivisions12.9 15.5 15.5 
Foreign governments18.4 24.1 24.1 
Asset-backed99.0 100.2 100.2 
Commercial mortgage-backed7.5 8.0 8.0 
Residential mortgage-backed27.2 30.1 30.1 
U.S. corporate462.8 651.0 651.0 
Foreign corporate93.6 132.2 132.2 
Total fixed maturity securities722.0 961.8 961.8 
Equity securities:
Common stocks1.8 1.9 1.9 
Non-redeemable preferred stocks53.9 67.9 67.9 
Total equity securities55.7 69.8 69.8 
Commercial mortgage loans on real estate, at amortized cost43.9 50.0 43.9 
Policy loans5.3 5.3 5.3 
Other investments38.9 38.9 38.9 
Total investments$865.8 $1,125.8 $1,119.7