Securities (Schedule of Investments' Gross Unrealized Losses and Fair Value Aggregated by Security Type and Length of Time that Individual Securities have been in a Continuous Unrealized Loss Position) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Debt Securities [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	$ 291,285	$ 271,578
Less than 12 Months, Unrealized Losses	(45,331)	(4,565)
12 Months or More, Fair Value	131,157	6,762
12 Months or More, Unrealized Losses	(32,866)	(224)
Total, Fair Value	422,442	278,340
Total, Unrealized Losses	(78,197)	(4,789)
U.S. Treasury Securities [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	30,007	18,361
Less than 12 Months, Unrealized Losses	(1,450)	(205)
12 Months or More, Fair Value	11,637
12 Months or More, Unrealized Losses	(1,932)
Total, Fair Value	41,644	18,361
Total, Unrealized Losses	(3,382)	(205)
U.S. Government Agencies [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	12,463	7,912
Less than 12 Months, Unrealized Losses	(1,722)	(109)
12 Months or More, Fair Value	5,714	3,843
12 Months or More, Unrealized Losses	(1,337)	(155)
Total, Fair Value	18,177	11,755
Total, Unrealized Losses	(3,059)	(264)
States And Political Subdivisions [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	93,501	74,658
Less than 12 Months, Unrealized Losses	(21,935)	(1,395)
12 Months or More, Fair Value	32,126
12 Months or More, Unrealized Losses	(11,027)
Total, Fair Value	125,627	74,658
Total, Unrealized Losses	(32,962)	(1,395)
Mortgage-backed Securities-Government Sponsored Entities [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	155,314	170,647
Less than 12 Months, Unrealized Losses	(20,224)	(2,856)
12 Months or More, Fair Value	81,680	2,919
12 Months or More, Unrealized Losses	(18,570)	(69)
Total, Fair Value	236,994	173,566
Total, Unrealized Losses	$ (38,794)	$ (2,925)