Securities (Temporarily Impaired Gross Unrealized Losses And Fair Value Of Available-For-Sale Securities) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Less Than Twelve Months, Fair Value	$ 62,474	$ 41,795
Less Than Twelve Months, Gross Unrealized Losses	(3,243)	(536)
Twelve Months or More, Fair Value	8,693	4,767
Twelve Months or More, Gross Unrealized Losses	(292)	(152)
Total, Fair Value	71,167	46,562
Total, Gross Unrealized Losses	(3,535)	(688)
U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than Twelve Months, Fair Value	3,303
Less Than Twelve Months, Gross Unrealized Losses	(28)
Total, Fair Value	3,303
Total, Gross Unrealized Losses	(28)
State And Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than Twelve Months, Fair Value	25,194	9,788
Less Than Twelve Months, Gross Unrealized Losses	(2,603)	(194)
Twelve Months or More, Fair Value	465
Twelve Months or More, Gross Unrealized Losses	(57)
Total, Fair Value	25,659	9,788
Total, Gross Unrealized Losses	(2,660)	(194)
U.S. Government-Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than Twelve Months, Fair Value	33,977	31,901
Less Than Twelve Months, Gross Unrealized Losses	(612)	(305)
Twelve Months or More, Fair Value	8,102	4,658
Twelve Months or More, Gross Unrealized Losses	(218)	(144)
Total, Fair Value	42,079	36,559
Total, Gross Unrealized Losses	(830)	(449)
Equity Securities-Financial Services Industry And Other [Member]
Schedule of Available-for-sale Securities [Line Items]
Less Than Twelve Months, Fair Value		106
Less Than Twelve Months, Gross Unrealized Losses		(37)
Twelve Months or More, Fair Value	126	109
Twelve Months or More, Gross Unrealized Losses	(17)	(8)
Total, Fair Value	126	215
Total, Gross Unrealized Losses	$ (17)	$ (45)