Investments (Aggregate Carrying And Approximate Market Values Of Available-For-Sale Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	$ 297,909	$ 251,954
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	5,773	5,922
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	2,817	3,833
Securities available-for-sale	300,865	254,043
U.S Treasuries and U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	5	1,816
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	0	11
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	0	0
Securities available-for-sale	5	1,827
Obligations Of States And Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	42,254	41,382
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	466	722
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	18	8
Securities available-for-sale	42,702	42,096
U.S. Government Agencies Mortgage-backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	225,382	185,831
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	3,686	3,470
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	1,121	1,973
Securities available-for-sale	227,947	187,328
Private Label [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	1,276	1,700
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	4	8
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	1	4
Securities available-for-sale	1,279	1,704
Trust Preferred Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	7,578	9,763
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	459	425
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	1,080	1,152
Securities available-for-sale	6,957	9,036
Corporate Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	17,758	7,806
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	182	204
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	597	693
Securities available-for-sale	17,343	7,317
Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	294,253	248,298
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	4,797	4,840
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	2,817	3,830
Securities available-for-sale	296,233	249,308
Marketable Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	2,131	2,131
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	972	1,082
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	0	0
Securities available-for-sale	3,103	3,213
Money Market Funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	1,525	1,525
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax	4	0
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax	0	3
Securities available-for-sale	$ 1,529	$ 1,522