DERIVATIVES AND HEDGING ACTIVITIES - Effect of fair value and cash flow hedge accounting on the consolidated statements of operations (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
DERIVATIVES AND HEDGING ACTIVITIES
Effects of fair value or cash flow hedges are recorded		$ 1,534
Interest Income
DERIVATIVES AND HEDGING ACTIVITIES
Effects of fair value or cash flow hedges are recorded	$ 628
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest and Dividend Income, Operating
Interest Expense
DERIVATIVES AND HEDGING ACTIVITIES
Effects of fair value or cash flow hedges are recorded	$ 2,435
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest Expense.	Interest Expense.
Interest Rate Products \| Interest Income
DERIVATIVES AND HEDGING ACTIVITIES
Change in unrealized gain (loss) on hedged item	$ (5,273)
Interest Rate Products \| Designated as Hedging Instrument \| Fair value hedges
DERIVATIVES AND HEDGING ACTIVITIES
Effects of fair value or cash flow hedges are recorded	$ 5,901
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest and Dividend Income, Operating
Interest Rate Products \| Designated as Hedging Instrument \| Cash flow hedges
DERIVATIVES AND HEDGING ACTIVITIES
Cash flow hedging relationships gain (loss) reclassified from AOCI into income	$ 2,435	$ 1,534
Derivative Instrument, Gain (Loss) Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest Expense.	Interest Expense.

Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

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Indicates line item in statement of income or comprehensive income that includes gain (loss) from effective portion of derivative instrument reclassified from accumulated other comprehensive income (AOCI) into income.

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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