CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 110,682	$ 29,084	$ 96,094
Other comprehensive income:
Change in net unrealized gain during the period	21,327	23,218	10,355
Reclassification adjustment for net (gain) loss realized in net income on securities and other assets	(163)	42,810	1,447
Accretion of net unrealized loss on securities transferred to held-to-maturity	2,907	3,028	3,142
Credit loss expense	2,550
Change in pension and other postretirement obligations:
Reclassification adjustment for benefit (expense) included in other expense	172	26	(1,547)
Change in the net actuarial gain (loss)	4,281	(1,426)	(190)
Change in unrealized gain (loss) on derivatives:
Change in net unrealized loss during the period	(19,035)	(8,453)	(11,782)
Reclassification adjustment for expense included in interest expense	7,360	10,008	2,092
Other comprehensive income before income taxes	19,399	69,211	3,517
Deferred tax expense	5,849	22,650	717
Total other comprehensive income, net of tax	13,550	46,561	2,800
Total comprehensive income	$ 124,232	$ 75,645	$ 98,894