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OTHER COMPREHENSIVE INCOME (LOSS) Components of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
AFS Debt Securities: |  |
Unrealized holding gains, pre-tax amount | $ (6,557) | $ 9,885
Unrealized holdings gains, tax (expense) benefit | 1,409 | (2,125)
Unrealized holdings gains, after-tax amount | (5,148) | 7,760
Less: reclassification adjustment for amortization of securities transferred from AFS to HTM, pre-tax amount | (1,528) | (1,699)
Less: reclassification adjustment for amortization of securities transferred from AFS to HTM, tax (expense) benefit | 328 | 365
Less: reclassification adjustment for amortization of securities transferred from AFS to HTM, after-tax amount | (1,200) | (1,334)
Net unrealized gains, pre-tax amount | (5,029) | 11,584
Net unrealized gains, tax (expense) benefit | 1,081 | (2,490)
Net unrealized gains, after-tax amount | (3,948) | 9,094
Cash Flow Hedges: |  |
Net decrease in fair value, pre-tax amount | 3,142 | (3,109)
Net decrease in fair value, tax (expense) benefit | (675) | 668
Net decrease in fair value, after-tax amount | 2,467 | (2,441)
Net decrease in fair value, pre-tax amount | 3,173 | (3,318)
Net decrease in fair value, tax (expense) benefit | (682) | 713
Net decrease in fair value, after-tax amount | 2,491 | (2,605)
Postretirement Plans: |  |
Net gain on postretirement plans, pre-tax amount | (8) | (6)
Net gain on postretirement plans, tax (expense) benefit | 2 | 1
Net gain on postretirement plans, net of tax | (6) | (5)
Other comprehensive income, pre-tax amount | (1,864) | 8,260
Other comprehensive income, tax (expense) benefit | 401 | (1,776)
Other comprehensive (loss) income | (1,463) | 6,484
Interest Expense, Borrowings |  |
Cash Flow Hedges: |  |
Less: effective portion reclassified into interest expense, pre-tax amount | 905 | 926
Less: effective portion reclassified into interest expense, tax (expense) benefit | (194) | (199)
Less: effective portion reclassified into interest expense, after-tax amount | 711 | 727
Interest Income, Interest and Fees on Loans |  |
Cash Flow Hedges: |  |
Less: effective portion reclassified into interest expense, pre-tax amount | (936) | (717)
Less: effective portion reclassified into interest expense, tax (expense) benefit | 201 | 154
Less: effective portion reclassified into interest expense, after-tax amount | $ (735) | $ (563)

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