Investments (Aggregate Carrying And Approximate Market Values Of Held-To-Maturity Securities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Schedule of Held-to-maturity Securities [Line Items]
Securities held-to-maturity, Amortized Cost	$ 93,089	$ 4,117
Held-to-Maturity, Gross Unrealized Gain, before tax	2,254	1,218
Held-to-Maturity, Unrealized Loss, before tax	0	0
Securities held-to-maturity, Estimated Fair Value	95,343	5,335
U.S. Government Agencies Mortgage-backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Securities held-to-maturity, Amortized Cost	89,193	0
Held-to-Maturity, Gross Unrealized Gain, before tax	1,443	0
Held-to-Maturity, Unrealized Loss, before tax	0	0
Securities held-to-maturity, Estimated Fair Value	90,636	0
Trust Preferred Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Securities held-to-maturity, Amortized Cost	3,896	4,117
Held-to-Maturity, Gross Unrealized Gain, before tax	811	1,218
Held-to-Maturity, Unrealized Loss, before tax	0	0
Securities held-to-maturity, Estimated Fair Value	4,707	5,335
Non-Marketable Equity Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Securities held-to-maturity, Amortized Cost	14,234	13,343
Held-to-Maturity, Gross Unrealized Gain, before tax	0	0
Held-to-Maturity, Unrealized Loss, before tax	0	0
Securities held-to-maturity, Estimated Fair Value	$ 14,234	$ 13,343