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Investments in Qualified Affordable Housing Partnerships, Tax Credit and Other Investments, Net and Variable Interest Entities - Investments in Tax Credit and Other Investments, Net (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Investments in qualified housing partnerships, net |  |  |
Tax credits and other tax benefits recognized | $ 60,939 | $ 52,132 | $ 50,643
Amortization expense included in income tax expense | 43,041 | 38,759 | 33,248
Investments in tax credit and other investments, net |  |  |
Amortization of tax credit and other investments | 120,299 | 113,358 | 122,457
Unrealized gains (losses) on equity securities with readily determinable values | 255 | (2,958) | (746)
Historic Tax Credit Investment |  |  |
Investments in tax credit and other investments, net |  |  |
Pre-tax impairment charge or recovery | $ 1,000 | $ 469 | $ 1,000

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- Definition Investments in Qualified Affordable Housing Partnerships, Net, And Related Unfunded Commitments + References No definition available. + Details
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- Definition Investments in Tax Credit and Other Investments, Net + References No definition available. + Details
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- Definition Amortization of investments in projects that qualify for Community Reinvestment Act ("CRA") and other tax credits, included as a component of noninterest expense. + References No definition available. + Details
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- Definition Tax Credit Investments, Pre-tax Impairment (Charge) Recovery + References No definition available. + Details
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- Definition Amount of affordable housing tax credits and other tax benefits recognized. + References Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Topic 323 -SubTopic 740 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481543/323-740-50-2 + Details
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- Definition Amount of amortization expense of investment in qualified affordable housing projects. + References Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Topic 323 -SubTopic 740 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481543/323-740-50-2 + Details
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- Definition Amount of unrealized gain (loss) on investment in marketable security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)(c)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
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