3. Fair Value Measurements (Carrying Values And Estimated Fair Values Of Financial Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013
Securities available for sale	$ 281,865	$ 288,780	$ 283,054
Loans held for sale, net		321
Carrying Value [Member]
Cash and cash equivalents	17,251	11,782
Securities available for sale	281,865	288,780
Other investments	6,610	7,815
Loans held for sale, net		321
Loans, net	962,714	937,070
Accrued interest receivable	5,410	5,669
Derivative financial instruments		803
Total assets	1,273,850	1,252,240
Deposits	1,052,630	1,003,812
Short-term borrowings	68,974	62,769
Long-term borrowings	123,492	163,516
Subordinated debentures	16,800	16,800
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	1,193	1,433
Derivative financial liabilities	408
Total liabilities	1,283,086	1,267,919
Estimate Fair Value [Member]
Cash and cash equivalents	17,251	11,782
Securities available for sale	281,865	288,780
Other investments	6,610	7,815
Loans held for sale, net		321
Loans, net	981,849	952,592
Accrued interest receivable	5,410	5,669
Derivative financial instruments		803
Total assets	1,292,985	1,267,762
Deposits	1,077,704	1,029,606
Short-term borrowings	68,974	62,769
Long-term borrowings	132,741	173,863
Subordinated debentures	16,800	16,800
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	1,193	1,433
Derivative financial liabilities	408
Total liabilities	$ 1,317,409	$ 1,304,060