Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net income	$ 21,407	$ 28,915	$ 67,730	$ 92,654
Other comprehensive income (loss):
Unrealized holding losses on available-for-sale securities arising during the period	(32,285)	(39,912)	(36,060)	(94,428)
Tax effect	9,177	11,471	10,087	27,178
Net of tax	(23,108)	(28,441)	(25,973)	(67,250)
Unrealized gains on cash flow hedges	9,768	16,969	19,832	44,253
Tax effect	(2,938)	(5,094)	(5,966)	(13,381)
Net of tax	6,830	11,875	13,866	30,872
Reclassification adjustment for realized gains on cash flow hedges	(4,793)	(1,178)	(13,013)	(524)
Tax effect	1,442	343	3,915	159
Net of tax	(3,351)	(835)	(9,098)	(365)
Unrealized gains on pension plan	0	0	0	2,187
Tax effect	0	0	0	(567)
Net of tax	0	0	0	1,620
Reclassification adjustment for realized losses on pension plan included in net income	74	17	222	49
Tax effect	(22)	(5)	(67)	(14)
Net of tax	52	12	155	35
Total other comprehensive loss	(19,577)	(17,389)	(21,050)	(35,088)
Total comprehensive income	$ 1,830	$ 11,526	$ 46,680	$ 57,566