Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Consolidated Statements of Comprehensive Income (Unaudited) [Abstract]
Net income	$ 16,285	$ 14,275
Net unrealized holding (loss) gain on securities available for sale	(1,703)	5,326
Tax effect	437	(1,378)
Net unrealized (loss) gain on securities available for sale, net of tax	(1,266)	3,948
Amortization of net actuarial gain	(701)	(297)
Amortization of prior service cost	3	3
Tax effect	181	75
Amortization of net actuarial gain and prior service cost on pension and postretirement plans, net of tax	(517)	(219)
Other comprehensive (loss) income, net of tax	(1,783)	3,729
Comprehensive income	$ 14,502	$ 18,004