Fair Value Measurements (Carrying Values And Estimated Fair Values Of Financial Instruments) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale	$ 297,126	$ 293,147	[1]
Loans held for sale, net	433	400
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	57,954	59,540
Debt Securities, Available-for-sale	297,126	293,147
Other investments	12,597	16,635
Loans held for sale, net	433	400
Loans, net	1,725,064	1,682,005
Accrued interest receivable	8,828	8,708
Derivative Asset	240	555
Total assets	2,102,242	2,060,990
Deposits	1,789,032	1,634,826
Short-term borrowings	186,292	309,084
Long-term borrowings	730	735
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	1,262	1,102
Derivative financial liabilities	423	411
Total liabilities	1,997,328	1,965,747
Estimated Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	57,954	59,540
Debt Securities, Available-for-sale	297,126	293,147
Other investments	12,597	16,635
Loans held for sale, net	433	400
Loans, net	1,729,204	1,666,834
Accrued interest receivable	8,828	8,708
Derivative Asset	240	555
Total assets	2,106,382	2,045,819
Deposits	1,785,991	1,631,456
Short-term borrowings	186,292	309,084
Long-term borrowings	854	843
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	1,262	1,102
Derivative financial liabilities	423	411
Total liabilities	1,994,411	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
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	433	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	57,954	59,540
Debt Securities, Available-for-sale	297,126	293,147
Other investments	12,597	16,635
Loans held for sale, net	433	400
Loans, net	1,985	4,553
Accrued interest receivable	8,828	8,708
Derivative Asset	240	555
Total assets	379,163	383,538
Deposits	1,785,991	1,631,456
Short-term borrowings	186,292	309,084
Long-term borrowings	854	843
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	1,262	1,102
Derivative financial liabilities	423	411
Total liabilities	1,994,411	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	1,727,219	1,662,281
Accrued interest receivable	0	0
Derivative Asset	0	0
Total assets	1,727,219	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

[1] Derived from audited consolidated financial statements