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Mortgage Loans by Property Type and Geographic Region (Detail) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Mortgage Loans on Real Estate |  |
Mortgage Loans, Carrying Amount | $ 2,490.7 | $ 2,560.4
New England |  |
Mortgage Loans on Real Estate |  |
Mortgage Loans, Carrying Amount | $ 53.8 | $ 54.9
Mortgage Loans, Percent of Total | 2.20% | 2.10%
Mid-Atlantic |  |
Mortgage Loans on Real Estate |  |
Mortgage Loans, Carrying Amount | $ 196.5 | $ 214.7
Mortgage Loans, Percent of Total | 7.90% | 8.40%
East North Central |  |
Mortgage Loans on Real Estate |  |
Mortgage Loans, Carrying Amount | $ 319.9 | $ 298.4
Mortgage Loans, Percent of Total | 12.80% | 11.70%
West North Central |  |
Mortgage Loans on Real Estate |  |
Mortgage Loans, Carrying Amount | $ 184.9 | $ 193.1
Mortgage Loans, Percent of Total | 7.40% | 7.50%
South Atlantic |  |
Mortgage Loans on Real Estate |  |
Mortgage Loans, Carrying Amount | $ 575.9 | $ 582.1
Mortgage Loans, Percent of Total | 23.10% | 22.70%
East South Central |  |
Mortgage Loans on Real Estate |  |
Mortgage Loans, Carrying Amount | $ 103.6 | $ 120.7
Mortgage Loans, Percent of Total | 4.20% | 4.70%
West South Central |  |
Mortgage Loans on Real Estate |  |
Mortgage Loans, Carrying Amount | $ 224.4 | $ 243.2
Mortgage Loans, Percent of Total | 9.00% | 9.60%
Mountain |  |
Mortgage Loans on Real Estate |  |
Mortgage Loans, Carrying Amount | $ 286.6 | $ 290.6
Mortgage Loans, Percent of Total | 11.50% | 11.30%
Pacific |  |
Mortgage Loans on Real Estate |  |
Mortgage Loans, Carrying Amount | $ 545.1 | $ 562.7
Mortgage Loans, Percent of Total | 21.90% | 22.00%
Total |  |
Mortgage Loans on Real Estate |  |
Mortgage Loans, Percent of Total | 100.00% | 100.00%
Apartment |  |
Mortgage Loans on Real Estate |  |
Mortgage Loans, Carrying Amount | $ 715.0 | $ 780.0
Mortgage Loans, Percent of Total | 28.70% | 30.50%
Industrial |  |
Mortgage Loans on Real Estate |  |
Mortgage Loans, Carrying Amount | $ 738.6 | $ 734.4
Mortgage Loans, Percent of Total | 29.60% | 28.70%
Office |  |
Mortgage Loans on Real Estate |  |
Mortgage Loans, Carrying Amount | $ 454.7 | $ 467.2
Mortgage Loans, Percent of Total | 18.30% | 18.20%
Retail |  |
Mortgage Loans on Real Estate |  |
Mortgage Loans, Carrying Amount | $ 537.8 | $ 533.3
Mortgage Loans, Percent of Total | 21.60% | 20.80%
Other Property |  |
Mortgage Loans on Real Estate |  |
Mortgage Loans, Carrying Amount | $ 44.6 | $ 45.5
Mortgage Loans, Percent of Total | 1.80% | 1.80%
Total |  |
Mortgage Loans on Real Estate |  |
Mortgage Loans, Percent of Total | 100.00% | 100.00%

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