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OTHER COMPREHENSIVE INCOME (LOSS) Components of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
AFS Debt Securities: |  |  |  |
Unrealized holding gains, pre-tax amount | $ (53,580) | $ 2,925 | $ (146,333) | $ (19,380)
Unrealized holdings gains, tax (expense) benefit | 11,520 | (629) | 31,462 | 4,167
Unrealized holdings gains, after-tax amount | (42,060) | 2,296 | (114,871) | (15,213)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax | (7) | 0 | (7) | 0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax | 2 | 0 | 2 | 0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax | (9) | 0 | (9) | 0
Net unrealized gains, pre-tax amount | (53,571) | 2,925 | (146,324) | (19,380)
Net unrealized gains, tax (expense) benefit | 11,518 | (629) | 31,460 | 4,167
Net unrealized gains, after-tax amount | (42,053) | 2,296 | (114,864) | (15,213)
Cash Flow Hedges: |  |  |  |
Net decrease in fair value, pre-tax amount | 3,588 | (3,203) | 7,223 | 3,189
Net decrease in fair value, tax (expense) benefit | (771) | 689 | (1,553) | (685)
Net decrease in fair value, after-tax amount | 2,817 | (2,514) | 5,670 | 2,504
Net decrease in fair value, pre-tax amount | 3,590 | (3,011) | 7,343 | 3,567
Net decrease in fair value, tax (expense) benefit | (771) | 647 | (1,579) | (767)
Net decrease in fair value, after-tax amount | 2,819 | (2,364) | 5,764 | 2,800
Postretirement Plans: |  |  |  |
Net gain on postretirement plans, pre-tax amount | 231 | 217 | 463 | 435
Net gain on postretirement plans, tax (expense) benefit | (50) | (46) | (100) | (94)
Net gain on postretirement plans, net of tax | 181 | 171 | 363 | 341
Other comprehensive income, pre-tax amount | (49,750) | 131 | (138,518) | (15,378)
Other comprehensive income, tax (expense) benefit | 10,697 | (28) | 29,781 | 3,306
Other comprehensive (loss) income | (39,053) | 103 | (108,737) | (12,072)
Interest Expense, Borrowings |  |  |  |
Cash Flow Hedges: |  |  |  |
Less: effective portion reclassified into interest expense, pre-tax amount | (239) | (595) | (739) | (1,173)
Less: effective portion reclassified into interest expense, tax (expense) benefit | 51 | 128 | 159 | 252
Less: effective portion reclassified into interest expense, after-tax amount | (188) | (467) | (580) | (921)
Interest Income, Interest and Fees on Loans |  |  |  |
Cash Flow Hedges: |  |  |  |
Less: effective portion reclassified into interest expense, pre-tax amount | 237 | 403 | 619 | 795
Less: effective portion reclassified into interest expense, tax (expense) benefit | (51) | (86) | (133) | (170)
Less: effective portion reclassified into interest expense, after-tax amount | $ 186 | $ 317 | $ 486 | $ 625

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