Investments (Gross Unrealized Losses And Fair Value Of Investments) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	$ 24,783	$ 210,093
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	488	8,086
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	91,894	9,683
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	4,688	2,116
Securities available-for-sale, Total, Estimated Fair Value	116,677	219,776
Securities available-for-sale, Total, Unrealized Loss	5,176	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	1,641	5,600
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	3	87
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	445	243
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	10	19
Securities available-for-sale, Total, Estimated Fair Value	2,086	5,843
Securities available-for-sale, Total, Unrealized Loss	13	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	22,774	195,661
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	341	7,113
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	80,798	5,040
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	2,782	197
Securities available-for-sale, Total, Estimated Fair Value	103,572	200,701
Securities available-for-sale, Total, Unrealized Loss	3,123	7,310
Private Label [Member]
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value		1,491
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss		3
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value		0
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss		0
Securities available-for-sale, Total, Estimated Fair Value		1,491
Securities available-for-sale, Total, Unrealized Loss		3
Corporate Securities [Member]
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	0	5,881
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	0	843
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	4,363	0
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	375	0
Securities available-for-sale, Total, Estimated Fair Value	4,363	5,881
Securities available-for-sale, Total, Unrealized Loss	375	843
Investment Funds [Member]
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	0	1,460
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	0	40
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	1,483	0
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	17	0
Securities available-for-sale, Total, Estimated Fair Value	1,483	1,460
Securities available-for-sale, Total, Unrealized Loss	17	40
Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	368	0
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	144	0
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	4,805	4,400
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	1,504	1,900
Securities available-for-sale, Total, Estimated Fair Value	5,173	4,400
Securities available-for-sale, Total, Unrealized Loss	$ 1,648	$ 1,900