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v3.26.1

Other assets - Investments in limited partnerships (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2025 | Mar. 31, 2026
Other assets |  |  |  |  |  |
Investment amount | $ 24.5 |  | $ 24.5 |  | $ 15.5 |
Unfunded equity commitments related to limited partnerships |  |  |  |  | 0.0 | $ 10.7
Amortization expense | $ 1.0 | $ 0.5 | 1.8 | $ 0.9 |  |
Projected low income housing tax credit benefits |  |  | $ 2.5 |  |  |
Low income housing tax credit benefits |  |  |  |  | $ 2.2 |

X
- Definition Tax benefits recognized during the reporting period attributable to investments in low-income housing tax credit partnerships or projects, including federal or state affordable housing tax credits and related tax benefits. + References No definition available. + Details
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- Definition Estimated future tax benefits expected to be realized from investments in low-income housing tax credit partnerships or projects during the specified future reporting period. + References No definition available. + Details
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X
- Definition Amount of legally committed future equity contributions that have not yet been funded by the reporting entity related to investments in limited partnerships as of the balance sheet date. + References No definition available. + Details
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- Definition Amount of investment that generates income tax credit and other income tax benefit under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under program not meeting condition for accounting under proportional amortization method. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 740 -SubTopic 323 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478156/740-323-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 323 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478156/740-323-50-1A + Details
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- Definition Amount of amortization expense for investment that generates income tax credit and other income tax benefit under tax credit program accounted for using proportional amortization method. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 740 -SubTopic 323 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478156/740-323-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 323 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478156/740-323-50-1A + Details
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