DERIVATIVE FINANCIAL INSTRUMENTS - Summary of the interest-rate swaps designated as cash flow hedges (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Interest Rate Swap
Balances carried in AOCI
Unrealized gains (losses) on cash flow hedges, net of tax	$ 0	$ 0
Cash Flow Hedging \| Interest Rate Swap
Balances carried in AOCI
Unrealized gains (losses) on cash flow hedges, net of tax	(20,272)		$ (16,694)
Cash Flow Hedging \| Interest Rate Swap \| Other assets
Gross aggregate fair value of the swaps
Gross aggregate fair value of swap assets	1,178		1,293
Cash Flow Hedging \| Interest Rate Swap \| Other liabilities
Gross aggregate fair value of the swaps
Gross aggregate fair value of swap liabilities	30,303		25,411
Cash Flow Hedging \| Debt Swap
Derivative [Line Items]
Notional amount	$ 50,000		$ 50,000
Weighted average fixed pay/receive rates	1.79%		1.79%
Weighted average variable interest rates	5.62%		5.61%
Weighted average maturity	5 months 15 days		8 months 15 days
Cash Flow Hedging \| Loan Swap
Derivative [Line Items]
Notional amount	$ 300,000		$ 300,000
Weighted average fixed pay/receive rates	4.81%		4.81%
Weighted average variable interest rates	8.50%		8.50%
Weighted average maturity	4 years 10 months 6 days		5 years 1 month 6 days
Cash Flow Hedging \| SOFR Loan Swap
Derivative [Line Items]
Notional amount	$ 100,000		$ 0
Weighted average fixed pay/receive rates	3.72%		0.00%
Weighted average maturity	4 years 11 months 4 days

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Fair value of all asset derivatives designated as cash flow hedging instruments.

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Fair value of all liability derivatives designated as cash flow hedging instruments.

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Average fixed interest rate related to the group of interest rate derivatives.

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Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Average variable interest rate related to the group of interest rate derivatives.

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- Definition

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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Nominal or face amount used to calculate payment on derivative.

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