CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 29,584	$ 26,560
Available-for-sale investment securities:
Gross unrealized holding (loss) gain arising during the period	(9,887)	20,362
Related tax benefit (expense)	2,340	(4,647)
Reclassification adjustment for net loss included in net income	1	1,935
Related tax expense	0	(452)
Net effect on other comprehensive (loss) income	(7,546)	17,198
Defined benefit plan:
Amortization of unrecognized loss and service cost on benefit plans	0	2
Net effect on other comprehensive (loss) income	0	2
Cash flow hedges:
Net gain (loss) arising during the period	256	(1,356)
Related tax (expense) benefit	(60)	313
Net effect on other comprehensive (loss) income	196	(1,043)
Total other comprehensive (loss) income, net of tax	(7,350)	16,157
Total comprehensive income	$ 22,234	$ 42,717