Fair Value Of Financial Instruments (Financial Instruments Measured At Fair Value) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale, at fair value	$ 282,083	$ 203,473
Securities held to maturity, fair value	125,875	139,171
Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	111,459	154,459
Securities available for sale, at fair value	282,083	203,473
Securities held to maturity, fair value	123,929	138,421
FHLB stock	4,378	4,378
Loans, net of allowance for loan losses	1,245,722	1,170,501
Interest rate swap agreement	1,363	618
Interest rate swap agreement	1,313	1,096
Accrued interest receivable	3,676	3,787
Total assets	1,772,610	1,675,637
Deposits	1,387,473	1,308,772
Securities sold under agreement to repurchase	267,794	258,464
Other long-term debt	2,258	2,320
Junior subordinated debentures issued to unconsolidated subsidiary trust	20,619	20,619
Interest rate contract-cash flow hedge	1,313	1,096
Accrued interest payable	133	165
Total liabilities	1,679,590	1,591,436
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	111,459	154,459
Securities available for sale, at fair value	282,083	203,473
Securities held to maturity, fair value	125,875	139,171
Loans, net of allowance for loan losses	1,251,043	1,172,517
Interest rate swap agreement	1,363	618
Interest rate swap agreement	1,313	1,096
Accrued interest receivable	3,676	3,787
Total assets	1,775,499	1,674,025
Deposits	1,387,239	1,308,904
Securities sold under agreement to repurchase	267,763	258,438
Other long-term debt	2,234	2,277
Junior subordinated debentures issued to unconsolidated subsidiary trust	15,219	14,476
Interest rate contract-cash flow hedge	1,313	1,096
Accrued interest payable	133	165
Total liabilities	1,673,901	1,585,356
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	111,459	154,459
Total assets	111,459	154,459
Deposits	1,195,295	1,097,088
Accrued interest payable	12	19
Total liabilities	1,195,307	1,097,107
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale, at fair value	282,083	203,473
Securities held to maturity, fair value	125,875	139,171
Interest rate swap agreement	1,363	618
Interest rate swap agreement	1,313	1,096
Accrued interest receivable	1,063	847
Total assets	410,384	344,109
Deposits	191,944	211,816
Securities sold under agreement to repurchase	267,763	258,438
Other long-term debt	2,234	2,277
Junior subordinated debentures issued to unconsolidated subsidiary trust	15,219	14,476
Interest rate contract-cash flow hedge	1,313	1,096
Accrued interest payable	121	146
Total liabilities	478,594	488,249
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net of allowance for loan losses	1,251,043	1,172,517
Accrued interest receivable	2,613	2,940
Total assets	$ 1,253,656	$ 1,175,457