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Investments in Tax Credit Structures - Investments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Investment Program, Proportional Amortization Method, Elected [Line Items]
Investment Proportional Amortization Method Elected Statement Of Financial Position Extensible Enumeration Not Disclosed Flag	Investments in renewable energy tax credits	Investments in renewable energy tax credits	Investments in renewable energy tax credits
Investments in tax credit structures, Assets	$ 27,941	$ 32,354
Total	40,381	35,779
Total	32,883	14,041
Investments in renewable energy tax credits
Investment Program, Proportional Amortization Method, Elected [Line Items]
Investments in tax credit structures, Assets, PAM	12,440	3,425
Investments in tax credit structures, Unfunded Commitments, PAM	12,405	2,758
Investments in affordable housing partnerships
Investment Program, Proportional Amortization Method, Elected [Line Items]
Investments in tax credit structures, Assets	27,941	32,354
Investments in tax credit structures, Unfunded Commitments	$ 20,478	$ 11,283

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Investments in affordable housing partnerships.

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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.

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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
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-Publisher FASB
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