3. Fair Value Measurements (Carrying Values And Estimated Fair Values Of Financial Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
Securities available for sale	$ 287,883	$ 288,780	$ 291,180
Loans held for sale, net	413	321
Carrying Value [Member]
Cash and due from banks	13,719	11,782
Securities available for sale	287,883	288,780
Other investments	7,436	7,815
Loans held for sale, net	413	321
Loans, net	992,816	937,070
Accrued interest receivable	5,683	5,669
Derivative financial instruments		803
Total assets	1,307,950	1,252,240
Deposits	1,057,795	1,003,812
Short-term borrowings	91,729	62,769
Long-term borrowings	121,942	163,516
Subordinated debentures	16,800	16,800
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	1,195	1,433
Derivative financial liabilities	1,582
Total liabilities	1,310,632	1,267,919
Estimate Fair Value [Member]
Cash and due from banks	13,719	11,782
Securities available for sale	287,883	288,780
Other investments	7,436	7,815
Loans held for sale, net	413	321
Loans, net	1,016,258	952,592
Accrued interest receivable	5,683	5,669
Derivative financial instruments		803
Total assets	1,331,392	1,267,762
Deposits	1,082,200	1,029,606
Short-term borrowings	91,729	62,769
Long-term borrowings	130,627	173,863
Subordinated debentures	16,800	16,800
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	1,195	1,433
Derivative financial liabilities	1,582
Total liabilities	$ 1,343,722	$ 1,304,060