DERIVATIVE FINANCIAL INSTRUMENTS - Fair Value of Derivative Financial Instruments and Their Classification on Balance Sheet (Details) - Not Designated as Hedging Instruments - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Other Assets
Notional Amount
Included in other assets	$ 1,393,813	$ 1,204,321
Fair Value
Asset Derivatives	79,379	92,872
Other Assets | Interest Rate Swap
Notional Amount
Included in other assets	1,355,947	1,184,866
Fair Value
Asset Derivatives	78,743	92,652
Other Assets | Forward Contracts
Notional Amount
Included in other assets	15,160	14,406
Fair Value
Asset Derivatives	469	188
Other Assets | Interest Rate Lock Commitments
Notional Amount
Included in other assets	22,706	5,049
Fair Value
Asset Derivatives	167	32
Other Liabilities
Notional Amount
Included in other liabilities	1,382,262	1,196,898
Fair Value
Liability Derivatives	79,008	92,770
Other Liabilities | Interest Rate Swap
Notional Amount
Included in other liabilities	1,355,947	1,184,866
Fair Value
Liability Derivatives	78,811	92,652
Other Liabilities | Forward Contracts
Notional Amount
Included in other liabilities	25,290	4,483
Fair Value
Liability Derivatives	191	63
Other Liabilities | Interest Rate Lock Commitments
Notional Amount
Included in other liabilities	1,025	7,549
Fair Value
Liability Derivatives	$ 6	$ 55