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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)

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