Fair Value Measurements (Carrying Values And Estimated Fair Values Of Financial Instruments) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015		Sep. 30, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	$ 262,102	$ 280,792	[1]	$ 272,127
Loans held for sale, net	0	779
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	34,499	9,487
Securities available for sale	262,102	280,792
Other investments	13,182	8,949
Loans held for sale, net	0	779
Loans, net	1,234,605	1,079,331
Accrued interest receivable	5,470	5,544
Total assets	1,549,858	1,384,882
Deposits	1,156,784	1,066,709
Short-term borrowings	234,657	171,394
Long-term borrowings	74,146	75,581
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	741	826
Derivative financial liabilities	8,270	5,072
Total liabilities	1,494,187	1,339,171
Estimated Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	34,499	9,487
Securities available for sale	262,102	280,792
Other investments	13,182	8,949
Loans held for sale, net	0	779
Loans, net	1,251,189	1,084,955
Accrued interest receivable	5,470	5,544
Total assets	1,566,442	1,390,506
Deposits	1,168,549	1,077,510
Short-term borrowings	234,657	171,394
Long-term borrowings	77,670	80,506
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	741	826
Derivative financial liabilities	8,270	5,072
Total liabilities	$ 1,509,476	$ 1,354,897

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