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COMMITMENTS AND CONTINGENCIES - Investment Holdings Schedule (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Summary of Investment Holdings [Line Items] |  |  |
Amortization Method Qualified Affordable Housing Project Investments | $ 183,562 |  |
Qualified Affordable Housing Project Investments, Commitment | $ 79,764 | $ 96,365 |
Investment, Proportional Amortization Method, Elected, Statement of Financial Position [Extensible Enumeration] |  | Accrued interest and other assets |
Amortization Method Qualified Affordable Housing Project Investments, Amortization |  | $ 14,960 |
Affordable Housing Tax Credits and Other Tax Benefits, Amount |  | (15,092) |
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Income or Comprehensive Income [Extensible Enumeration] | Income tax expense |  |
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Cash Flows [Extensible Enumeration] |  |  | Income tax expense
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Noninterest Expense |  | Other Noninterest Expense
Low Income Housing Tax Credits |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Amortization Method Qualified Affordable Housing Project Investments | $ 148,942 | 142,933 |
Qualified Affordable Housing Project Investments, Commitment | 72,830 | 80,465 |
Amortization Method Qualified Affordable Housing Project Investments, Amortization | 15,481 | 14,545 | $ 11,929
Affordable Housing Tax Credits and Other Tax Benefits, Amount | (15,662) | (14,563) | (11,088)
Historic tax credit [Member] |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Amortization Method Qualified Affordable Housing Project Investments | 8,781 | 19,798 |
Qualified Affordable Housing Project Investments, Commitment | 6,656 | 14,043 |
Amortization Method Qualified Affordable Housing Project Investments, Amortization | 1,420 | 0 | 0
Affordable Housing Tax Credits and Other Tax Benefits, Amount | (403) | (319) | (319)
New Markets Tax Credit |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Amortization Method Qualified Affordable Housing Project Investments | 1,191 | 1,938 |
Qualified Affordable Housing Project Investments, Commitment | 0 | 0 |
Amortization Method Qualified Affordable Housing Project Investments, Amortization | 125 | 415 | 415
Affordable Housing Tax Credits and Other Tax Benefits, Amount | (5) | (210) | (210)
Renewable Energy Program [Member] |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Amortization Method Qualified Affordable Housing Project Investments | 10,571 | 23,981 |
Qualified Affordable Housing Project Investments, Commitment | 222 | 1,857 |
Amortization Method Qualified Affordable Housing Project Investments, Amortization | 12,851 | 0 |
Affordable Housing Tax Credits and Other Tax Benefits, Amount | (12,667) | 0 | $ (25,473)
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Cash Flows [Extensible Enumeration] |  |  | Increase (Decrease) in Other Operating Assets
Historic tax credit-PAM |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Amortization Method Qualified Affordable Housing Project Investments | 14,077 | 0 |
Qualified Affordable Housing Project Investments, Commitment | 56 | 0 |
Amortization Method Qualified Affordable Housing Project Investments, Amortization | 3,057 | 0 | $ 0
Affordable Housing Tax Credits and Other Tax Benefits, Amount | $ (4,417) | $ 0 | $ 0

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