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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
	Mar. 31, 2023	Mar. 31, 2022
Loans
Derivative Instruments, Gain (Loss) [Line Items]
Income and expense line items presented in the consolidated statements of income	$ 34,560	$ 22,671
Securities and other
Derivative Instruments, Gain (Loss) [Line Items]
Income and expense line items presented in the consolidated statements of income	5,791	3,826
Deposits
Derivative Instruments, Gain (Loss) [Line Items]
Income and expense line items presented in the consolidated statements of income	5,265	1,189
Borrowings
Derivative Instruments, Gain (Loss) [Line Items]
Income and expense line items presented in the consolidated statements of income	4,180	1,010
Non-interest Income
Derivative Instruments, Gain (Loss) [Line Items]
Income and expense line items presented in the consolidated statements of income	9,184	9,309
Interest rate swap on wholesale funding | Cash flow hedges | Borrowings
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on cash flow hedges:	664	(113)
Interest rate swap on variable rate loans | Cash flow hedges | Loans
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on cash flow hedges:	(466)	16
Interest rate swap on securities | Fair Value Hedging | Securities and other
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on fair value hedges:	$ 286	$ (135)

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Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
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-Section 45
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