Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025
Statement of Comprehensive Income [Abstract]
Net earnings	$ 71,952	$ 77,391	$ 53,568
Other comprehensive income, net of tax:
Unrealized net holding (losses) gains on securities AFS arising during the period	(9,215)	15,671	38,470
Income tax benefit (expense) related to unrealized net holding gains arising during the period	2,553	(4,350)	(10,952)
Unrealized net holding (losses) gains on securities AFS, net of tax	(6,662)	11,321	27,518
Amortization of unrealized net loss on securities transferred from AFS to HTM	8,576	8,606	8,342
Income tax expense related to amortization of unrealized net loss on securities transferred from AFS to HTM	(2,376)	(2,377)	(2,378)
Amortization of unrealized net loss on securities transferred from AFS to HTM, net of tax	6,200	6,229	5,964
Change in fair value of credit-linked notes	(111)	(122)	146
Income tax benefit (expense) related to change in fair value of credit-linked notes	31	28	(42)
Change in fair value of credit-linked notes, net of tax	(80)	(94)	104
Unrealized gain (loss) on cash flow hedges arising during the period	2,584	408	(2,973)
Income tax (expense) benefit related to unrealized gain on cash flow hedges arising during the period	(716)	(108)	847
Unrealized gain (loss) on cash flow hedges, net of tax	1,868	300	(2,126)
Other comprehensive income, net of tax	1,326	17,756	31,460
Comprehensive income	$ 73,278	$ 95,147	$ 85,028