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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 | Jun. 30, 2022 | Dec. 31, 2021
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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)

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