Fair Value Measurements (Carrying Values And Estimated Fair Values Of Financial Instruments) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	$ 280,792	$ 282,834
Loans held for sale, net	779	527
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	9,487	12,510
Securities available for sale	280,792	282,834
Other investments	8,949	6,183
Loans held for sale, net	779	527
Loans, net	1,079,331	1,019,842
Accrued interest receivable	5,544	5,838
Total assets	1,384,882	1,327,734
Deposits	1,066,709	1,061,314
Short-term borrowings	171,394	123,633
Long-term borrowings	75,581	77,490
Subordinated debentures	0	16,800
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	826	812
Derivative financial liabilities	5,072	2,911
Total liabilities	1,339,171	1,302,549
Estimated Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	9,487	12,510
Securities available for sale	280,792	282,834
Other investments	8,949	6,183
Loans held for sale, net	779	527
Loans, net	1,084,955	1,033,890
Accrued interest receivable	5,544	5,838
Total assets	1,390,506	1,341,782
Deposits	1,077,510	1,078,406
Short-term borrowings	171,394	123,633
Long-term borrowings	80,506	84,732
Subordinated debentures	0	16,800
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	826	812
Derivative financial liabilities	5,072	2,911
Total liabilities	$ 1,354,897	$ 1,326,883