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Investments in Tax Credit Structures - Investments (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Investment Program, Proportional Amortization Method, Elected [Line Items] |  |  |
Investment Proportional Amortization Method Elected Statement Of Financial Position Extensible Enumeration Not Disclosed Flag | Investments in solar tax credit | Investments in solar tax credit | Investments in solar tax credit
Investments in tax credit structures, Assets | $ 32,354 | $ 54,474 |
Total | 35,779 | 54,474 |
Total | 14,041 | 21,017 |
Investments in solar tax credit |  |  |
Investment Program, Proportional Amortization Method, Elected [Line Items] |  |  |
Investments in tax credit structures, Assets, PAM | 3,425 | 0 |
Investments in tax credit structures, Unfunded Commitments, PAM | 2,758 | 0 |
Investments in affordable housing partnerships |  |  |
Investment Program, Proportional Amortization Method, Elected [Line Items] |  |  |
Investments in tax credit structures, Assets | 32,354 | 54,474 |
Investments in tax credit structures, Unfunded Commitments | $ 11,283 | $ 21,017 |

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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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