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v3.26.1

Investments - Credit Quality Indicators (Details) - Commercial Portfolio Segment $ in Millions | Mar. 31, 2026 USD ($) | Dec. 31, 2025 USD ($)
--- | --- | ---
Greater than 2.0 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated current year | $ 1.7 | $ 6.8
Financing receivable, originated year one | 6.8 | 4.5
Financing receivable, originated year two | 4.5 | 0.5
Financing receivable, originated year three | 0.5 | 12.9
Financing receivable, originated year four | 12.8 | 8.6
Prior | 38.8 | 35.2
Total | $ 65.1 | $ 68.5
% of Total | 0.206 | 0.207
1.5 to 2.0 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated current year | $ 1.9 | $ 13.2
Financing receivable, originated year one | 13.3 | 19.5
Financing receivable, originated year two | 19.4 | 13.7
Financing receivable, originated year three | 8.7 | 9.2
Financing receivable, originated year four | 9.2 | 19.3
Prior | 23.8 | 9.1
Total | $ 76.3 | $ 84.0
% of Total | 0.242 | 0.253
1.0 to 1.5 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated current year | $ 5.6 | $ 32.7
Financing receivable, originated year one | 32.8 | 27.8
Financing receivable, originated year two | 27.8 | 15.5
Financing receivable, originated year three | 14.2 | 11.1
Financing receivable, originated year four | 11.0 | 23.3
Prior | 22.3 | 2.6
Total | $ 113.7 | $ 113.0
% of Total | 0.360 | 0.341
Less than 1.0 |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated current year | $ 0.0 | $ 0.0
Financing receivable, originated year one | 0.0 | 2.7
Financing receivable, originated year two | 2.6 | 14.9
Financing receivable, originated year three | 15.1 | 25.4
Financing receivable, originated year four | 20.4 | 19.7
Prior | 22.7 | 3.2
Total | $ 60.8 | $ 65.9
% of Total | 0.192 | 0.199
Total |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated current year | $ 9.2 | $ 52.7
Financing receivable, originated year one | 52.9 | 54.5
Financing receivable, originated year two | 54.3 | 44.6
Financing receivable, originated year three | 38.5 | 58.6
Financing receivable, originated year four | 53.4 | 70.9
Prior | 107.6 | 50.1
Total | $ 315.9 | $ 331.4
% of Total | 1.000 | 1.000
70% and less |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated current year | $ 9.2 | $ 50.4
Financing receivable, originated year one | 50.6 | 48.5
Financing receivable, originated year two | 48.3 | 27.4
Financing receivable, originated year three | 23.5 | 25.7
Financing receivable, originated year four | 25.6 | 32.2
Prior | 69.6 | 44.4
Total | $ 226.8 | $ 228.6
% of Total | 0.718 | 0.690
71% to 80% |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated current year | $ 0.0 | $ 0.0
Financing receivable, originated year one | 0.0 | 5.0
Financing receivable, originated year two | 5.0 | 11.0
Financing receivable, originated year three | 11.2 | 7.5
Financing receivable, originated year four | 8.6 | 16.0
Prior | 15.3 | 5.7
Total | $ 40.1 | $ 45.2
% of Total | 0.127 | 0.136
81% to 95% |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated current year | $ 0.0 | $ 2.3
Financing receivable, originated year one | 2.3 | 1.0
Financing receivable, originated year two | 1.0 | 2.4
Financing receivable, originated year three | 0.0 | 10.5
Financing receivable, originated year four | 9.3 | 12.0
Prior | 14.1 | 0.0
Total | $ 26.7 | $ 28.2
% of Total | 0.085 | 0.085
Greater than 95% |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated current year | $ 0.0 | $ 0.0
Financing receivable, originated year one | 0.0 | 0.0
Financing receivable, originated year two | 0.0 | 3.8
Financing receivable, originated year three | 3.8 | 14.9
Financing receivable, originated year four | 9.9 | 10.7
Prior | 8.6 | 0.0
Total | $ 22.3 | $ 29.4
% of Total | 0.070 | 0.089
Total |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing receivable, originated current year | $ 9.2 | $ 52.7
Financing receivable, originated year one | 52.9 | 54.5
Financing receivable, originated year two | 54.3 | 44.6
Financing receivable, originated year three | 38.5 | 58.6
Financing receivable, originated year four | 53.4 | 70.9
Prior | 107.6 | 50.1
Total | $ 315.9 | $ 331.4
% of Total | 1.000 | 1.000

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