Fair Value Of Financial Instruments (Financial Instruments Measured At Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale, at fair value	$ 248,987	$ 203,473
Securities held to maturity, fair value	136,237	139,171
Nonrecurring Basis [Member] | Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	67,919	154,459
Securities available for sale, at fair value	248,987	203,473
Securities held to maturity, fair value	134,245	138,421
FHLB stock	4,378	4,378
Loans, net of allowance for loan losses	1,188,181	1,170,501
Interest rate swap agreement	936	618
Interest rate swap agreement	1,383	1,096
Accrued interest receivable	4,147	3,787
Total assets	1,648,793	1,675,637
Deposits	1,329,797	1,308,772
Securities sold under agreement to repurchase	206,386	258,464
Other long-term debt	2,300	2,320
Junior subordinated debentures issued to unconsolidated subsidiary trust	20,619	20,619
Accrued interest payable	156	165
Total liabilities	1,560,641	1,591,436
Nonrecurring Basis [Member] | Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	67,919	154,459
Securities available for sale, at fair value	248,987	203,473
Securities held to maturity, fair value	136,237	139,171
Loans, net of allowance for loan losses	1,192,612	1,172,517
Interest rate swap agreement	936	618
Interest rate swap agreement	1,383	1,096
Accrued interest receivable	4,147	3,787
Total assets	1,650,838	1,674,025
Deposits	1,330,130	1,308,904
Securities sold under agreement to repurchase	206,364	258,438
Other long-term debt	2,284	2,277
Junior subordinated debentures issued to unconsolidated subsidiary trust	14,677	14,476
Interest rate contract-cash flow hedge	1,383	1,096
Accrued interest payable	156	165
Total liabilities	1,554,994	1,585,356
Nonrecurring Basis [Member] | 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	67,919	154,459
Accrued interest receivable	4
Total assets	67,923	154,459
Deposits	1,125,364	1,097,088
Accrued interest payable	18	19
Total liabilities	1,125,382	1,097,107
Nonrecurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale, at fair value	248,987	203,473
Securities held to maturity, fair value	136,237	139,171
Interest rate swap agreement	936	618
Interest rate swap agreement	1,383	1,096
Accrued interest receivable	932	847
Total assets	387,092	344,109
Deposits	204,766	211,816
Securities sold under agreement to repurchase	206,364	258,438
Other long-term debt	2,284	2,277
Junior subordinated debentures issued to unconsolidated subsidiary trust	14,677	14,476
Interest rate contract-cash flow hedge	1,383	1,096
Accrued interest payable	138	146
Total liabilities	429,612	488,249
Nonrecurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net of allowance for loan losses	1,192,612	1,172,517
Accrued interest receivable	3,211	2,940
Total assets	$ 1,195,823	$ 1,175,457