SECURITIES - Schedule of Information Related to the Amortized Cost, Fair Value and Allowance for Credit Losses of Securities Available-for-Sale and Related Gross Unrealized Gains and Losses (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 1,182,501,000	$ 1,226,319,000
Gross Unrealized Gain	100,000	183,000
Gross Unrealized Losses	(191,175,000)	(174,774,000)
Allowance for Credit Losses	0	0
Fair Value	991,426,000	1,051,728,000
U.S. government sponsored agencies
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	137,150,000	146,692,000
Gross Unrealized Gain	0	0
Gross Unrealized Losses	(27,715,000)	(27,213,000)
Allowance for Credit Losses	0	0
Fair Value	109,435,000	119,479,000
Mortgage-backed securities: residential
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	500,278,000	522,275,000
Gross Unrealized Gain	83,000	118,000
Gross Unrealized Losses	(77,952,000)	(74,551,000)
Allowance for Credit Losses	0	0
Fair Value	422,409,000	447,842,000
State and municipal securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	545,073,000	557,352,000
Gross Unrealized Gain	17,000	65,000
Gross Unrealized Losses	(85,508,000)	(73,010,000)
Allowance for Credit Losses	0	0
Fair Value	$ 459,582,000	$ 484,407,000