CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 130,353	$ 71,289	$ 73,395
Unrealized gains and losses:
Unrealized holding (losses) gains on available-for-sale securities arising during the period	(11,109)	7,005	11,286
Tax effect	2,914	(1,847)	(2,923)
Net of tax	(8,195)	5,158	8,363
Reclassification adjustment for realized (gains) losses included in net income	(195)	(29)	280
Tax effect	48	6	(79)
Net of tax	(147)	(23)	201
Unrealized gains (losses) on cash flow hedges	3,593	(3,423)	(755)
Tax effect	(1,012)	962	213
Net of tax	2,581	(2,461)	(542)
Reclassification adjustment for losses (gains) arising during this period	1,873	1,577	(677)
Tax effect	(528)	(443)	190
Net of tax	1,345	1,134	(487)
Unrealized pension plan (losses) gains:
Unrealized pension plan losses before reclassifications		(112)	(209)
Tax effect		31	59
Net of tax		(81)	(150)
Reclassification adjustment for realized losses included in net income	299	301	358
Tax effect	(84)	(84)	(101)
Net of tax	215	217	257
Total other comprehensive (loss) income	(4,201)	3,944	7,642
Total comprehensive income	$ 126,152	$ 75,233	$ 81,037