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Affordable Housing Projects Tax Credit Partnerships - Tax Credits and Other Tax Benefits Recognized and Amortization Expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Effective Yield Method |  |  |  |
Tax Credits and Other Tax Benefits Recognized | $ 1,137 | $ 1,457 | $ 3,411 | $ 4,372
Amortization Expense in Provision for Income Taxes | 1,119 | 1,333 | 3,358 | 3,998
Proportional Amortization Method |  |  |  |
Tax Credits and Other Tax Benefits Recognized | 6,210 | 3,696 | 18,631 | 14,572
Amortization Expense in Provision for Income Taxes | $ 5,348 | $ 3,203 | $ 16,044 | $ 12,630

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- Definition Amount, before amortization expense, of income tax credit and other tax benefit generated by investment under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under tax credit program not meeting condition for accounting under proportional amortization method. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 323 -SubTopic 740 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478156/323-740-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 323 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478156/740-323-50-1A + Details
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