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	Jun. 30, 2022	Dec. 31, 2021
Debt Securities [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	$ 365,324	$ 271,578
Less than 12 Months, Unrealized Losses	(41,876)	(4,565)
12 Months or More, Fair Value	59,672	6,762
12 Months or More, Unrealized Losses	(10,675)	(224)
Total, Fair Value	424,996	278,340
Total, Unrealized Losses	(52,551)	(4,789)
U.S. Treasury Securities [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	27,432	18,361
Less than 12 Months, Unrealized Losses	(1,987)	(205)
Total, Fair Value	27,432	18,361
Total, Unrealized Losses	(1,987)	(205)
U.S. Government Agencies [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	14,015	7,912
Less than 12 Months, Unrealized Losses	(1,600)	(109)
12 Months or More, Fair Value	2,221	3,843
12 Months or More, Unrealized Losses	(466)	(155)
Total, Fair Value	16,236	11,755
Total, Unrealized Losses	(2,066)	(264)
States And Political Subdivisions [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	118,022	74,658
Less than 12 Months, Unrealized Losses	(20,704)	(1,395)
12 Months or More, Fair Value	10,246
12 Months or More, Unrealized Losses	(2,767)
Total, Fair Value	128,268	74,658
Total, Unrealized Losses	(23,471)	(1,395)
Mortgage-backed Securities-Government Sponsored Entities [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	205,855	170,647
Less than 12 Months, Unrealized Losses	(17,585)	(2,856)
12 Months or More, Fair Value	47,205	2,919
12 Months or More, Unrealized Losses	(7,442)	(69)
Total, Fair Value	253,060	173,566
Total, Unrealized Losses	$ (25,027)	$ (2,925)