Fair Value Measurements (Carrying Values And Estimated Fair Values Of Financial Instruments) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale	$ 276,355	$ 293,147
Loans held for sale, net	1,319	400
Cash surrender value of life insurance policies	43,603	42,386
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	61,888	59,540
Debt Securities, Available-for-sale	276,355	293,147
Other investments	12,972	16,635
Loans held for sale, net	1,319	400
Loans, net	1,900,425	1,682,005
Accrued interest receivable	8,439	8,708
Cash surrender value of life insurance policies	43,603	42,386
Derivative Asset	0	555
Total assets	2,305,001	2,103,376
Deposits	1,913,237	1,634,826
Short-term borrowings	199,345	309,084
Long-term borrowings	717	735
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	1,234	1,102
Derivative financial liabilities	988	411
Total liabilities	2,135,110	1,965,747
Estimated Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	61,888	59,540
Debt Securities, Available-for-sale	276,355	293,147
Other investments	12,972	16,635
Loans held for sale, net	1,319	400
Loans, net	1,901,020	1,666,834
Accrued interest receivable	8,439	8,708
Cash surrender value of life insurance policies	43,603	42,386
Derivative Asset	0	555
Total assets	2,305,596	2,088,205
Deposits	1,918,610	1,631,456
Short-term borrowings	199,345	309,084
Long-term borrowings	854	843
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	1,234	1,102
Derivative financial liabilities	988	411
Total liabilities	2,140,620	1,962,485
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale, net	0	0
Fair Value, Inputs, Level 1 [Member] | Estimated Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	0	0
Debt Securities, Available-for-sale	0	0
Other investments	0	0
Loans held for sale, net	0	0
Loans, net	0	0
Accrued interest receivable	0	0
Cash surrender value of life insurance policies	0	0
Derivative Asset	0	0
Total assets	0	0
Deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Subordinated debentures owed to unconsolidated subsidiary trusts	0	0
Accrued interest payable	0	0
Derivative financial liabilities	0	0
Total liabilities	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale, net	1,319	400
Fair Value, Inputs, Level 2 [Member] | Estimated Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	61,888	59,540
Debt Securities, Available-for-sale	276,355	293,147
Other investments	12,972	16,635
Loans held for sale, net	1,319	400
Loans, net	7,685	4,553
Accrued interest receivable	8,439	8,708
Cash surrender value of life insurance policies	43,603	42,386
Derivative Asset	0	555
Total assets	412,261	425,924
Deposits	1,918,610	1,631,456
Short-term borrowings	199,345	309,084
Long-term borrowings	854	843
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	1,234	1,102
Derivative financial liabilities	988	411
Total liabilities	2,140,620	1,962,485
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale, net	0	0
Fair Value, Inputs, Level 3 [Member] | Estimated Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	0	0
Debt Securities, Available-for-sale	0	0
Other investments	0	0
Loans held for sale, net	0	0
Loans, net	1,893,335	1,662,281
Accrued interest receivable	0	0
Cash surrender value of life insurance policies	0	0
Derivative Asset	0	0
Total assets	1,893,335	1,662,281
Deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Subordinated debentures owed to unconsolidated subsidiary trusts	0	0
Accrued interest payable	0	0
Derivative financial liabilities	0	0
Total liabilities	$ 0	$ 0