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Commitments and Contingencies - Textual (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2041 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2020
Other Commitments [Line Items] |  |  |  |  |  |  |
Carrying values of investments | $ 206,800 | $ 191,300 |  |  |  |  |
Recognized tax benefits | 19,600 | 12,900 | $ 11,400 |  |  |  |
Proportional amortization | 20,900 | 10,900 | 9,700 |  |  |  |
Unfunded contingent commitment | 107,900 | 109,200 |  |  |  |  |
Impairment losses on LIHTC investments | $ 0 | $ 0 | 0 |  |  |  |
Carrying value of NMTC |  |  | $ 9,800 |  |  |  | $ 25,200
Subsequent Event |  |  |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |  |  |
LIHTC commitments |  |  |  | $ 15,900 | $ 62,600 | $ 29,500 |

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- Definition Investment in Certified Development Entities + References No definition available. + Details
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- Definition Qualified Affordable Housing Project Investments, Future Commitment + References No definition available. + Details
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- Definition Amount of write-down from impairment of an investment in a qualified affordable housing project. + References Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Topic 323 -SubTopic 740 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481543/323-740-50-2 + 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 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 (b) -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 commitment or contingent commitments to qualified affordable housing project investments. + References Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Topic 323 -SubTopic 740 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481543/323-740-50-2 + Details
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