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COMMITMENTS AND CONTINGENCIES - Investment Holdings Schedule (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Summary of Investment Holdings [Line Items] |  |  |
Amortization Method Qualified Affordable Housing Project Investments | $ 188,650 | $ 158,440 |
Qualified Affordable Housing Project Investments, Commitment | 96,365 | 84,334 |
Amortization Method Qualified Affordable Housing Project Investments, Amortization | 14,960 | 35,755 | $ 21,687
Affordable Housing Tax Credits and Other Tax Benefits, Amount | (15,092) | (37,090) | (21,270)
Low Income Housing Tax Credits |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Amortization Method Qualified Affordable Housing Project Investments | 142,933 | 126,537 |
Qualified Affordable Housing Project Investments, Commitment | 80,465 | 70,690 |
Amortization Method Qualified Affordable Housing Project Investments, Amortization | 14,545 | 11,929 | 8,894
Affordable Housing Tax Credits and Other Tax Benefits, Amount | (14,563) | (11,088) | (8,581)
Historic tax credit [Member] |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Amortization Method Qualified Affordable Housing Project Investments | 19,798 | 17,108 |
Qualified Affordable Housing Project Investments, Commitment | 14,043 | 11,955 |
Amortization Method Qualified Affordable Housing Project Investments, Amortization | 0 | 0 | 1,116
Affordable Housing Tax Credits and Other Tax Benefits, Amount | (319) | (319) | (263)
New Markets Tax Credit |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Amortization Method Qualified Affordable Housing Project Investments | 1,938 | 2,944 |
Qualified Affordable Housing Project Investments, Commitment | 0 | 0 |
Amortization Method Qualified Affordable Housing Project Investments, Amortization | 415 | 415 | 210
Affordable Housing Tax Credits and Other Tax Benefits, Amount | (210) | (210) | (210)
Renewable Energy Program [Member] |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Amortization Method Qualified Affordable Housing Project Investments | 23,981 | 11,851 |
Qualified Affordable Housing Project Investments, Commitment | 1,857 | 1,689 |
Amortization Method Qualified Affordable Housing Project Investments, Amortization | 0 | 23,411 | 11,467
Affordable Housing Tax Credits and Other Tax Benefits, Amount | $ 0 | $ (25,473) | $ (12,216)

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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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