SECURITIES - Available-for-sale Securities With Unrealized Loss Positions (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Available-for-sale Securities With Unrealized Loss Positions
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	$ 28,452,000	$ 22,261,000
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(294,000)	(133,000)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	368,431,000	371,320,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(52,752,000)	(49,431,000)
Available-for-sale securities with unrealized loss positions, fair value	396,883,000	393,581,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(53,046,000)	(49,564,000)
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	9,257,000	11,290,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(1,066,000)	(1,035,000)
Available-for-sale securities with unrealized loss positions, fair value	9,257,000	11,290,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(1,066,000)	(1,035,000)
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	1,595,000
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	0	(9,000)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	9,350,000	8,351,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(1,232,000)	(1,164,000)
Available-for-sale securities with unrealized loss positions, fair value	9,350,000	9,946,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(1,232,000)	(1,173,000)
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	23,657,000	23,500,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(5,298,000)	(5,452,000)
Available-for-sale securities with unrealized loss positions, fair value	23,657,000	23,500,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(5,298,000)	(5,452,000)
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	1,921,000	3,257,000
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(23,000)	(24,000)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	95,837,000	96,758,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(11,863,000)	(9,552,000)
Available-for-sale securities with unrealized loss positions, fair value	97,758,000	100,015,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(11,886,000)	(9,576,000)
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	47,481,000	49,961,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(8,813,000)	(8,609,000)
Available-for-sale securities with unrealized loss positions, fair value	47,481,000	49,961,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(8,813,000)	(8,609,000)
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	13,586,000	3,334,000
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(111,000)	(27,000)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	80,288,000	84,297,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(10,723,000)	(10,157,000)
Available-for-sale securities with unrealized loss positions, fair value	93,874,000	87,631,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(10,834,000)	(10,184,000)
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	12,945,000	3,588,000
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(160,000)	(2,000)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	29,620,000	32,808,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(3,898,000)	(3,748,000)
Available-for-sale securities with unrealized loss positions, fair value	42,565,000	36,396,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(4,058,000)	(3,750,000)
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	0	2,327,000
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	0	(16,000)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	64,718,000	64,355,000
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(9,792,000)	(9,714,000)
Available-for-sale securities with unrealized loss positions, fair value	64,718,000	66,682,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	(9,792,000)	(9,730,000)
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	0	8,160,000
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	0	(55,000)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	8,223,000	0
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(67,000)	0
Available-for-sale securities with unrealized loss positions, fair value	8,223,000	8,160,000
Available-for-sale securities, with unrealized loss positions, unrealized losses	$ (67,000)	$ (55,000)