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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, 2023 | Dec. 31, 2022
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Debt Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Less than 12 Months, Fair Value | $ 54,293 | $ 203,095
Less than 12 Months, Unrealized Losses | (2,410) | (23,567)
12 Months or More, Fair Value | 348,838 | 212,027
12 Months or More, Unrealized Losses | (66,991) | (49,764)
Total, Fair Value | 403,131 | 415,122
Total, Unrealized Losses | (69,401) | (73,331)
U.S. Treasury Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Less than 12 Months, Fair Value | 17,350 | 25,733
Less than 12 Months, Unrealized Losses | (415) | (849)
12 Months or More, Fair Value | 24,619 | 16,121
12 Months or More, Unrealized Losses | (2,763) | (2,363)
Total, Fair Value | 41,969 | 41,854
Total, Unrealized Losses | (3,178) | (3,212)
U.S. Government Agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Less than 12 Months, Fair Value | 4,783 | 8,321
Less than 12 Months, Unrealized Losses | (112) | (885)
12 Months or More, Fair Value | 13,724 | 10,002
12 Months or More, Unrealized Losses | (2,706) | (2,058)
Total, Fair Value | 18,507 | 18,323
Total, Unrealized Losses | (2,818) | (2,943)
States And Political Subdivisions [Member] |  |
Schedule of Investments [Line Items] |  |
Less than 12 Months, Fair Value | 8,013 | 66,680
Less than 12 Months, Unrealized Losses | (253) | (11,194)
12 Months or More, Fair Value | 118,016 | 57,367
12 Months or More, Unrealized Losses | (25,368) | (18,480)
Total, Fair Value | 126,029 | 124,047
Total, Unrealized Losses | (25,621) | (29,674)
Mortgage-backed Securities-Government Sponsored Entities [Member] |  |
Schedule of Investments [Line Items] |  |
Less than 12 Months, Fair Value | 24,147 | 102,361
Less than 12 Months, Unrealized Losses | (1,630) | (10,639)
12 Months or More, Fair Value | 192,479 | 128,537
12 Months or More, Unrealized Losses | (36,154) | (26,863)
Total, Fair Value | 216,626 | 230,898
Total, Unrealized Losses | $ (37,784) | $ (37,502)

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