Mortgage Loans, Sorted by Applicable Credit Quality Indicators (Detail) - USD ($)
$ in Millions |
Jun. 30, 2026 |
Mar. 31, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Financing Receivable, Allowance for Credit Loss |
|
$ (16.0)
|
|
$ (15.9)
|
|
|
|
| Mortgage Loans, Carrying Amount |
[1] |
2,071.7
|
|
2,109.5
|
|
|
|
| Loan to Value Ratio Below or Equal to 65 Percent |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans, Carrying Amount |
[1] |
1,706.6
|
|
1,701.2
|
|
|
|
| Loan To Value Ratio Above 65 To 75 Percent |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans, Carrying Amount |
[1] |
186.1
|
|
164.3
|
|
|
|
| Loan To Value Ratio Above 75 To 85 Percent |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans, Carrying Amount |
[1] |
99.6
|
|
162.6
|
|
|
|
| Loan To Value Ratio Above 85 Percent |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans, Carrying Amount |
[1] |
79.4
|
|
81.4
|
|
|
|
| Originated Five or More Years before Last Fiscal Year |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans, Carrying Amount |
[2] |
1,657.9
|
|
1,458.9
|
|
|
|
| Originated Four Years before Last Fiscal Year |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans, Carrying Amount |
[2] |
84.1
|
|
320.7
|
|
|
|
| Originated Three Years before Last Fiscal Year |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans, Carrying Amount |
[2] |
65.4
|
|
85.1
|
|
|
|
| Originated Two Years before Last Fiscal Year |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans, Carrying Amount |
[2] |
45.4
|
|
65.8
|
|
|
|
| Originated in Fiscal Year before Latest Fiscal Year |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans, Carrying Amount |
[2] |
132.5
|
|
45.6
|
|
|
|
| Originated in Current Fiscal Year |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans, Carrying Amount |
[2] |
86.4
|
|
133.4
|
|
|
|
| Commercial Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Financing Receivable, Originated Five or More Years before Latest Fiscal Year |
[2] |
1,672.2
|
|
1,472.4
|
|
|
|
| Financing Receivable, Originated Four Years before Latest Fiscal Year |
[2] |
84.3
|
|
321.6
|
|
|
|
| Financing Receivable, Originated Three Years before Latest Fiscal Year |
[2] |
65.7
|
|
85.4
|
|
|
|
| Financing Receivable, Originated Two Years before Latest Fiscal Year |
[2] |
45.6
|
|
66.2
|
|
|
|
| Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year |
[2] |
133.1
|
|
45.8
|
|
|
|
| Financing Receivable, Originated in Current Fiscal Year |
[2] |
86.8
|
|
134.0
|
|
|
|
| Financing Receivable, before Allowance for Credit Loss |
[2] |
2,087.7
|
|
2,125.4
|
|
|
|
| Financing Receivable, Allowance for Credit Loss |
[2] |
(16.0)
|
$ (15.3)
|
(15.9)
|
$ (15.6)
|
$ (16.6)
|
$ (16.1)
|
| Commercial Real Estate | Loan to Value Ratio Below or Equal to 65 Percent |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Financing Receivable, Originated Five or More Years before Latest Fiscal Year |
[2] |
1,428.3
|
|
1,264.1
|
|
|
|
| Financing Receivable, Originated Four Years before Latest Fiscal Year |
[2] |
62.1
|
|
238.9
|
|
|
|
| Financing Receivable, Originated Three Years before Latest Fiscal Year |
[2] |
53.4
|
|
63.0
|
|
|
|
| Financing Receivable, Originated Two Years before Latest Fiscal Year |
[2] |
11.6
|
|
38.5
|
|
|
|
| Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year |
[2] |
95.3
|
|
11.6
|
|
|
|
| Financing Receivable, Originated in Current Fiscal Year |
[2] |
60.0
|
|
89.4
|
|
|
|
| Financing Receivable, before Allowance for Credit Loss |
[2] |
1,710.7
|
|
1,705.5
|
|
|
|
| Financing Receivable, Allowance for Credit Loss |
[2] |
(4.1)
|
(4.1)
|
(4.3)
|
(3.8)
|
(3.8)
|
(4.2)
|
| Commercial Real Estate | Loan To Value Ratio Above 65 To 75 Percent |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Financing Receivable, Originated Five or More Years before Latest Fiscal Year |
[2] |
88.1
|
|
59.8
|
|
|
|
| Financing Receivable, Originated Four Years before Latest Fiscal Year |
[2] |
8.3
|
|
10.7
|
|
|
|
| Financing Receivable, Originated Three Years before Latest Fiscal Year |
[2] |
12.3
|
|
8.4
|
|
|
|
| Financing Receivable, Originated Two Years before Latest Fiscal Year |
[2] |
34.0
|
|
27.7
|
|
|
|
| Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year |
[2] |
17.4
|
|
34.2
|
|
|
|
| Financing Receivable, Originated in Current Fiscal Year |
[2] |
26.8
|
|
24.2
|
|
|
|
| Financing Receivable, before Allowance for Credit Loss |
[2] |
186.9
|
|
165.0
|
|
|
|
| Financing Receivable, Allowance for Credit Loss |
[2] |
(0.8)
|
(0.6)
|
(0.7)
|
(1.5)
|
(1.7)
|
(1.7)
|
| Commercial Real Estate | Loan To Value Ratio Above 75 To 85 Percent |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Financing Receivable, Originated Five or More Years before Latest Fiscal Year |
[2] |
86.7
|
|
115.5
|
|
|
|
| Financing Receivable, Originated Four Years before Latest Fiscal Year |
[2] |
13.9
|
|
35.0
|
|
|
|
| Financing Receivable, Originated Three Years before Latest Fiscal Year |
[2] |
0.0
|
|
14.0
|
|
|
|
| Financing Receivable, Originated Two Years before Latest Fiscal Year |
[2] |
0.0
|
|
0.0
|
|
|
|
| Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year |
[2] |
0.0
|
|
0.0
|
|
|
|
| Financing Receivable, Originated in Current Fiscal Year |
[2] |
0.0
|
|
0.0
|
|
|
|
| Financing Receivable, before Allowance for Credit Loss |
[2] |
100.6
|
|
164.5
|
|
|
|
| Financing Receivable, Allowance for Credit Loss |
[2] |
(1.0)
|
(1.4)
|
(1.9)
|
(1.1)
|
(3.1)
|
(2.2)
|
| Commercial Real Estate | Loan To Value Ratio Above 85 Percent |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Financing Receivable, Originated Five or More Years before Latest Fiscal Year |
[2] |
69.1
|
|
33.0
|
|
|
|
| Financing Receivable, Originated Four Years before Latest Fiscal Year |
[2] |
0.0
|
|
37.0
|
|
|
|
| Financing Receivable, Originated Three Years before Latest Fiscal Year |
[2] |
0.0
|
|
0.0
|
|
|
|
| Financing Receivable, Originated Two Years before Latest Fiscal Year |
[2] |
0.0
|
|
0.0
|
|
|
|
| Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year |
[2] |
20.4
|
|
0.0
|
|
|
|
| Financing Receivable, Originated in Current Fiscal Year |
[2] |
0.0
|
|
20.4
|
|
|
|
| Financing Receivable, before Allowance for Credit Loss |
[2] |
89.5
|
|
90.4
|
|
|
|
| Financing Receivable, Allowance for Credit Loss |
[2] |
(10.1)
|
$ (9.2)
|
(9.0)
|
$ (9.2)
|
$ (8.0)
|
$ (8.0)
|
| Commercial Real Estate | Originated Five or More Years before Last Fiscal Year |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Financing Receivable, Allowance for Credit Loss |
[2] |
(14.3)
|
|
(13.5)
|
|
|
|
| Commercial Real Estate | Originated Four Years before Last Fiscal Year |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Financing Receivable, Allowance for Credit Loss |
[2] |
(0.2)
|
|
(0.9)
|
|
|
|
| Commercial Real Estate | Originated Three Years before Last Fiscal Year |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Financing Receivable, Allowance for Credit Loss |
[2] |
(0.3)
|
|
(0.3)
|
|
|
|
| Commercial Real Estate | Originated Two Years before Last Fiscal Year |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Financing Receivable, Allowance for Credit Loss |
[2] |
(0.2)
|
|
(0.4)
|
|
|
|
| Commercial Real Estate | Originated in Fiscal Year before Latest Fiscal Year |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Financing Receivable, Allowance for Credit Loss |
[2] |
(0.6)
|
|
(0.2)
|
|
|
|
| Commercial Real Estate | Originated in Current Fiscal Year |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Financing Receivable, Allowance for Credit Loss |
[2] |
(0.4)
|
|
(0.6)
|
|
|
|
| AA Credit Rating |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans, Carrying Amount |
|
112.2
|
|
125.6
|
|
|
|
| AA Credit Rating | Commercial Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Financing Receivable, Originated Five or More Years before Latest Fiscal Year |
|
112.3
|
|
100.1
|
|
|
|
| Financing Receivable, Originated Four Years before Latest Fiscal Year |
|
0.0
|
|
25.6
|
|
|
|
| Financing Receivable, Originated Three Years before Latest Fiscal Year |
|
0.0
|
|
0.0
|
|
|
|
| Financing Receivable, Originated Two Years before Latest Fiscal Year |
|
0.0
|
|
0.0
|
|
|
|
| Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year |
|
0.0
|
|
0.0
|
|
|
|
| Financing Receivable, Originated in Current Fiscal Year |
|
0.0
|
|
0.0
|
|
|
|
| Financing Receivable, before Allowance for Credit Loss |
|
112.3
|
|
125.7
|
|
|
|
| A Credit Rating |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans, Carrying Amount |
|
1,027.2
|
|
1,053.4
|
|
|
|
| A Credit Rating | Commercial Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Financing Receivable, Originated Five or More Years before Latest Fiscal Year |
|
876.4
|
|
794.0
|
|
|
|
| Financing Receivable, Originated Four Years before Latest Fiscal Year |
|
23.0
|
|
144.9
|
|
|
|
| Financing Receivable, Originated Three Years before Latest Fiscal Year |
|
9.4
|
|
23.6
|
|
|
|
| Financing Receivable, Originated Two Years before Latest Fiscal Year |
|
6.4
|
|
9.5
|
|
|
|
| Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year |
|
76.5
|
|
6.4
|
|
|
|
| Financing Receivable, Originated in Current Fiscal Year |
|
37.2
|
|
77.2
|
|
|
|
| Financing Receivable, before Allowance for Credit Loss |
|
1,028.9
|
|
1,055.6
|
|
|
|
| BBB Credit Rating |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans, Carrying Amount |
|
831.1
|
|
804.0
|
|
|
|
| BBB Credit Rating | Commercial Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Financing Receivable, Originated Five or More Years before Latest Fiscal Year |
|
592.1
|
|
482.4
|
|
|
|
| Financing Receivable, Originated Four Years before Latest Fiscal Year |
|
61.3
|
|
131.2
|
|
|
|
| Financing Receivable, Originated Three Years before Latest Fiscal Year |
|
56.3
|
|
61.8
|
|
|
|
| Financing Receivable, Originated Two Years before Latest Fiscal Year |
|
39.2
|
|
56.7
|
|
|
|
| Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year |
|
36.2
|
|
39.4
|
|
|
|
| Financing Receivable, Originated in Current Fiscal Year |
|
49.6
|
|
36.4
|
|
|
|
| Financing Receivable, before Allowance for Credit Loss |
|
834.7
|
|
807.9
|
|
|
|
| BB Credit Rating |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans, Carrying Amount |
|
95.6
|
|
120.5
|
|
|
|
| BB Credit Rating | Commercial Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Financing Receivable, Originated Five or More Years before Latest Fiscal Year |
|
77.2
|
|
81.7
|
|
|
|
| Financing Receivable, Originated Four Years before Latest Fiscal Year |
|
0.0
|
|
19.9
|
|
|
|
| Financing Receivable, Originated Three Years before Latest Fiscal Year |
|
0.0
|
|
0.0
|
|
|
|
| Financing Receivable, Originated Two Years before Latest Fiscal Year |
|
0.0
|
|
0.0
|
|
|
|
| Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year |
|
20.4
|
|
0.0
|
|
|
|
| Financing Receivable, Originated in Current Fiscal Year |
|
0.0
|
|
20.4
|
|
|
|
| Financing Receivable, before Allowance for Credit Loss |
|
97.6
|
|
122.0
|
|
|
|
| B Credit Rating |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans, Carrying Amount |
|
5.6
|
|
6.0
|
|
|
|
| B Credit Rating | Commercial Real Estate |
|
|
|
|
|
|
|
| Mortgage Loans on Real Estate |
|
|
|
|
|
|
|
| Financing Receivable, Originated Five or More Years before Latest Fiscal Year |
|
14.2
|
|
14.2
|
|
|
|
| Financing Receivable, Originated Four Years before Latest Fiscal Year |
|
0.0
|
|
0.0
|
|
|
|
| Financing Receivable, Originated Three Years before Latest Fiscal Year |
|
0.0
|
|
0.0
|
|
|
|
| Financing Receivable, Originated Two Years before Latest Fiscal Year |
|
0.0
|
|
0.0
|
|
|
|
| Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year |
|
0.0
|
|
0.0
|
|
|
|
| Financing Receivable, Originated in Current Fiscal Year |
|
0.0
|
|
0.0
|
|
|
|
| Financing Receivable, before Allowance for Credit Loss |
|
$ 14.2
|
|
$ 14.2
|
|
|
|
|
|