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DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Effect of cash flow hedging and fair value (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Loans |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Income and expense line items presented in the consolidated statements of income | $ 27,940 | $ 25,094 | $ 75,192 | $ 72,490
Securities and other |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Income and expense line items presented in the consolidated statements of income | 5,145 | 3,821 | 13,178 | 11,792
Deposits |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Income and expense line items presented in the consolidated statements of income | 1,801 | 1,555 | 4,185 | 7,109
Borrowings |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Income and expense line items presented in the consolidated statements of income | 1,374 | 1,778 | 3,458 | 5,415
Non-interest Income |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Income and expense line items presented in the consolidated statements of income | 8,823 | 11,350 | 27,093 | 31,103
Interest rate swap on wholesale funding | Cash flow hedges | Borrowings |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss) on cash flow hedges: | 140 | (205) | (1) | (589)
Interest rate swap on variable rate loans | Cash flow hedges | Loans |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss) on cash flow hedges: | (238) | 92 | (239) | 189
Interest rate swap on securities | Fair Value Hedging | Securities and other |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gain (loss) on fair value hedges: | $ 155 | $ (144) | $ (48) | $ (421)

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