Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Net income	$ 170,987	$ 150,922
Other comprehensive income (loss), before tax:
Change in net unrealized gain/loss on securities available for sale during the period	(102,183)	155,632
Change in net unrealized gain on securities transferred to held to maturity	0	(521)
Reclassification adjustment for net (gains) losses included in net income	0	14
Total securities available for sale and transferred securities, before tax amount	(102,183)	155,125
Defined-benefit post-retirement benefit plans:
Reclassification adjustment for net amortization of actuarial gain/loss included in net income as a component of net periodic cost (benefit)	209	310
Total defined-benefit post-retirement benefit plans	209	310
Other comprehensive income (loss), before tax	(101,974)	155,435
Deferred tax expense (benefit)	(21,414)	32,642
Other comprehensive income (loss), net of tax	(80,560)	122,793
Comprehensive income	$ 90,427	$ 273,715