SECURITIES - Available-for-sale Securities With Unrealized Loss Positions (Details) - USD ($)	Mar. 31, 2025	Dec. 31, 2024
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	$ 36,419,000	$ 51,258,000
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(310,000)	(627,000)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	332,376,000	333,837,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(42,509,000)	(47,179,000)
Available-for-sale securities with unrealized loss positions, fair value	368,795,000	385,095,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(42,819,000)	(47,806,000)
Allowance for credit losses related to the available-for-sale portfolio	0	0
Debt Securities, Available-for-Sale, Payment Defaults	0	0
Allowance for credit losses	0	0
Obligations of the U.S. Treasury
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	0	0
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	0	0
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	7,284,000	7,118,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(778,000)	(949,000)
Available-for-sale securities with unrealized loss positions, fair value	7,284,000	7,118,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(778,000)	(949,000)
Obligations of U.S. Government agencies
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	0	0
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	0	0
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	8,923,000	9,025,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(896,000)	(1,129,000)
Available-for-sale securities with unrealized loss positions, fair value	8,923,000	9,025,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(896,000)	(1,129,000)
Bank holding company debt securities
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	0	0
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	0	0
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	25,944,000	25,246,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(3,015,000)	(3,712,000)
Available-for-sale securities with unrealized loss positions, fair value	25,944,000	25,246,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(3,015,000)	(3,712,000)
Obligations Of States And Political Subdivisions Tax Exempt
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	5,264,000	6,581,000
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(116,000)	(58,000)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	89,557,000	91,316,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(11,654,000)	(10,873,000)
Available-for-sale securities with unrealized loss positions, fair value	94,821,000	97,897,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(11,770,000)	(10,931,000)
Obligations Of States And Political Subdivisions Taxable
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	0	0
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	0	0
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	43,587,000	42,506,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(7,488,000)	(8,641,000)
Available-for-sale securities with unrealized loss positions, fair value	43,587,000	42,506,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(7,488,000)	(8,641,000)
Residential Passthrough Securities
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	13,759,000	22,777,000
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(143,000)	(375,000)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	67,595,000	69,282,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(8,134,000)	(9,595,000)
Available-for-sale securities with unrealized loss positions, fair value	81,354,000	92,059,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(8,277,000)	(9,970,000)
Residential Collateralized Mortgage Obligations
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	6,656,000	19,586,000
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(33,000)	(156,000)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	26,274,000	27,157,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(2,878,000)	(3,349,000)
Available-for-sale securities with unrealized loss positions, fair value	32,930,000	46,743,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(2,911,000)	(3,505,000)
Commercial Mortgage Backed Securities
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	2,341,000	2,314,000
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(13,000)	(38,000)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	63,212,000	62,187,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(7,666,000)	(8,931,000)
Available-for-sale securities with unrealized loss positions, fair value	65,553,000	64,501,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(7,679,000)	$ (8,969,000)
Private label commercial mortgage-backed securities
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	8,399,000
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(5,000)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	0
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	0
Available-for-sale securities with unrealized loss positions, fair value	8,399,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	$ (5,000)