Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net income	$ 17,746	$ 17,089
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,008	1,024
Amortization of right-of-use asset	1,634	1,608
Net gain on sale of other real estate owned	(148)	(73)
Provision (credit) for credit losses	300	(200)
Deferred tax expense	1,816	744
Net amortization of securities	460	697
Net gain on sale of bank premises and equipment	0	(314)
Decrease in taxes receivable	5,456	489
(Increase) decrease in interest receivable	(198)	202
Increase (decrease) in interest payable	842	(32)
Increase in other assets	(3,583)	(2,601)
Decrease in operating lease liabilities	(1,722)	(1,713)
Decrease in accrued expenses and other liabilities	(4,831)	(5,943)
Total adjustments	1,034	(6,112)
Net cash provided by operating activities	18,780	10,977
Cash flows from investing activities:
Proceeds from sales, paydowns and calls of securities available for sale	14,659	17,923
Proceeds from paydowns of held to maturity securities	311	716
Purchases of securities available for sale	(5,000)	(34,097)
Proceeds from maturities of securities available for sale	0	5,000
Net increase in loans	(66,328)	(25,516)
Proceeds from dispositions of other real estate owned	340	166
Proceeds from dispositions of bank premises and equipment	0	469
Purchases of bank premises and equipment	(757)	(796)
Net cash used in investing activities	(56,775)	(36,135)
Cash flows from financing activities:
Net increase in deposits	19,648	81,887
Net change in short-term borrowings	11,593	3,685
Purchases of treasury stock	0	(609)
Dividends paid	(6,861)	(6,727)
Net cash provided by financing activities	24,380	78,236
Net (decrease) increase in cash and cash equivalents	(13,615)	53,078
Cash and cash equivalents at beginning of period	650,599	1,219,470
Cash and cash equivalents at end of period	636,984	1,272,548
Cash paid during the year for:
Interest paid	6,125	1,226
Income taxes paid	471	5,090
Other non cash items:
Decrease in dividends payable	(12)	0
Change in unrealized (loss) gain on securities available for sale-gross	5,251	(19,225)
Change in deferred tax effect on unrealized loss (gain) on securities available for sale	(1,350)	4,974
Amortization of net actuarial gain and prior service cost (credit) on pension and postretirement plans	(111)	(358)
Change in deferred tax effect of amortization of net actuarial gain postretirement benefit plans	29	93
Impact to retained earnings from adoption of ASC 326, net of tax	$ 0	$ (3,470)