Comprehensive Income - Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ 20,820	$ 14,241	$ 41,042	$ 22,257
Salaries and Employee Benefits	13,036	12,039	25,929	23,986
Total before Tax	10,915	7,647	20,599	18,568
Provision for income taxes	(2,311)	(1,600)	(4,335)	(3,959)
NET INCOME	8,604	6,047	16,264	14,609
Amounts Reclassified from Accumulated Other Comprehensive Income | Net Unrealized Gain (Loss) on Cash Flow Swap
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	215	(220)	428	(418)
Amounts Reclassified from Accumulated Other Comprehensive Income | Amortization of Net Retirement Plan Prior Service Cost
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Salaries and Employee Benefits	(68)	(51)	(137)	(103)
Amounts Reclassified from Accumulated Other Comprehensive Income | Amortization of Defined Benefit Pension, Actuarial Gain
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Salaries and Employee Benefits	91	56	157	81
Amounts Reclassified from Accumulated Other Comprehensive Income | Accumulated Defined Benefit Plans Adjustment
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Total before Tax	238	(215)	448	(440)
Provision for income taxes	(64)	55	(116)	114
NET INCOME	$ 174	$ (160)	$ 332	$ (326)