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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
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)