Fair Value Measurements (Carrying Values And Estimated Fair Values Of Financial Instruments) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015		Mar. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	$ 271,515	$ 280,792	[1]	$ 282,135
Loans held for sale, net	610	779
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	16,660	9,487
Securities available for sale	271,515	280,792
Other investments	10,099	8,949
Loans held for sale, net	610	779
Loans, net	1,096,790	1,079,331
Accrued interest receivable	5,230	5,544
Total assets	1,400,904	1,384,882
Deposits	1,094,544	1,066,709
Short-term borrowings	153,448	171,394
Long-term borrowings	75,103	75,581
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	778	826
Derivative financial liabilities	8,238	5,072
Total liabilities	1,351,700	1,339,171
Estimated Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	16,660	9,487
Securities available for sale	271,515	280,792
Other investments	10,099	8,949
Loans held for sale, net	610	779
Loans, net	1,109,243	1,084,955
Accrued interest receivable	5,230	5,544
Total assets	1,413,357	1,390,506
Deposits	1,116,367	1,077,510
Short-term borrowings	153,448	171,394
Long-term borrowings	79,917	80,506
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	778	826
Derivative financial liabilities	8,238	5,072
Total liabilities	$ 1,378,337	$ 1,354,897

[1] December 31, 2015 financial information has been extracted from audited consolidated financial statements