Investments (Gross Unrealized Losses And Fair Value Of Investments) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	$ 5,121	$ 142,874
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	264	867
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	40,013	42,660
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	2,104	2,650
Securities available-for-sale, Total, Estimated Fair Value	45,134	185,534
Securities available-for-sale, Total, Unrealized Loss	2,368	3,517
Obligations Of States And Political Subdivisions [Member]
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	0	2,406
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	0	5
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	0	128
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	0	2
Securities available-for-sale, Total, Estimated Fair Value	0	2,534
Securities available-for-sale, Total, Unrealized Loss	0	7
U.S. Government Agencies Mortgage-backed Securities [Member]
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	18	129,612
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	1	688
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	33,433	34,044
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	379	1,333
Securities available-for-sale, Total, Estimated Fair Value	33,451	163,656
Securities available-for-sale, Total, Unrealized Loss	380	2,021
Private Label [Member]
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	955	0
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	1	0
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	955	0
Securities available-for-sale, Total, Unrealized Loss	1	0
Corporate Securities [Member]
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	4,148	10,856
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	262	174
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	2,197	2,231
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	181	147
Securities available-for-sale, Total, Estimated Fair Value	6,345	13,087
Securities available-for-sale, Total, Unrealized Loss	443	321
Money Market Funds [Member]
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	0	0
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	0	0
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	0	1,488
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	0	13
Securities available-for-sale, Total, Estimated Fair Value	0	1,488
Securities available-for-sale, Total, Unrealized Loss	0	13
Trust Preferred Securities [Member]
Schedule of Investments [Line Items]
Securities available-for-sale, Less Than Twelve Months, Estimated Fair Value	0	0
Securities available-for-sale, Less Than Twelve Months, Unrealized Loss	0	0
Securities available-for-sale, Twelve Months or Greater, Estimated Fair Value	4,383	4,769
Securities available-for-sale, Twelve Months or Greater, Unrealized Loss	1,544	1,155
Securities available-for-sale, Total, Estimated Fair Value	4,383	4,769
Securities available-for-sale, Total, Unrealized Loss	$ 1,544	$ 1,155