Investments (Gross Unrealized Losses And Fair Value Of Investments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	$ 161,211	$ 210,093
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	4,979	8,086
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	18,110	9,683
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	2,662	2,116
Securities available-for-sale, Total, Estimated Fair Value	179,321	219,776
Securities available-for-sale, Total, Unrealized Loss	7,641	10,202
Obligations Of States And Political Subdivisions [Member]
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	3,261	5,600
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	43	87
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	118	243
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	12	19
Securities available-for-sale, Total, Estimated Fair Value	3,379	5,843
Securities available-for-sale, Total, Unrealized Loss	55	106
U.S. Government Agencies Mortgage-backed Securities [Member]
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	149,819	195,661
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	4,160	7,113
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	13,627	5,040
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	712	197
Securities available-for-sale, Total, Estimated Fair Value	163,446	200,701
Securities available-for-sale, Total, Unrealized Loss	4,872	7,310
Private Label [Member]
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	0	1,491
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	0	3
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	0	0
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	0	0
Securities available-for-sale, Total, Estimated Fair Value	0	1,491
Securities available-for-sale, Total, Unrealized Loss	0	3
Corporate Securities [Member]
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	6,162	5,881
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	567	843
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	0	0
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	0	0
Securities available-for-sale, Total, Estimated Fair Value	6,162	5,881
Securities available-for-sale, Total, Unrealized Loss	567	843
Investment Funds [Member]
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	1,468	1,460
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	32	40
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	0
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	0	0
Securities available-for-sale, Total, Estimated Fair Value	1,468	1,460
Securities available-for-sale, Total, Unrealized Loss	32	40
Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	501	0
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	177	0
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	4,365	4,400
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	1,938	1,900
Securities available-for-sale, Total, Estimated Fair Value	4,866	4,400
Securities available-for-sale, Total, Unrealized Loss	$ 2,115	$ 1,900