Income Taxes (Reconciliation Of The Significant Differences Between The Federal Statutory Income Tax Rate And Effective Income Tax Rate) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Computed federal taxes at statutory rate	$ 30,052	$ 26,740	$ 23,351
State income taxes, net of federal tax benefit	3,225	2,871	3,124
Tax effects of:
Tax-exempt interest income	(925)	(1,142)	(1,177)
Bank-owned life insurance	(1,268)	(1,167)	(818)
Income tax credits	(2,747)	(1,904)	(1,449)
Other items, net	404	(135)	83
Income tax expense	$ 28,741	$ 25,263	$ 23,114
Effective Income Tax Rate Reconciliation, Percent	20.10%	19.80%	20.80%