Comprehensive Income - Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ 21,005	$ 16,764	$ 62,047	$ 39,021
Salaries and Employee Benefits	13,446	11,988	39,375	35,974
Total before Tax	11,537	9,570	32,136	28,138
Provision for income taxes	(2,562)	(1,827)	(6,897)	(5,786)
NET INCOME	8,975	7,743	25,239	22,352
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	196	(242)	624	(660)
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	(67)	(51)	(204)	(154)
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	78	40	235	121
Amounts Reclassified from Accumulated Other Comprehensive Income | Accumulated Defined Benefit Plans Adjustment
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Total before Tax	207	(253)	655	(693)
Provision for income taxes	(53)	63	(169)	177
NET INCOME	$ 154	$ (190)	$ 486	$ (516)