Investments (Aggregate Carrying And Approximate Market Values Of Held-To-Maturity Securities) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Schedule of Held-to-maturity Securities [Line Items]
Securities held-to-maturity, Amortized Cost	$ 96,039	$ 4,117
Securities held-to-maturity, Gross Unrealized Gains	2,422	1,218
Securities held-to-maturity, Gross Unrealized Losses	0	0
Securities held-to-maturity, Estimated Fair Value	98,461	5,335
U.S. Government Agencies Mortgage-backed Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Securities held-to-maturity, Amortized Cost	91,916	0
Securities held-to-maturity, Gross Unrealized Gains	1,841	0
Securities held-to-maturity, Gross Unrealized Losses	0	0
Securities held-to-maturity, Estimated Fair Value	93,757	0
Trust Preferred Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Securities held-to-maturity, Amortized Cost	4,123	4,117
Securities held-to-maturity, Gross Unrealized Gains	581	1,218
Securities held-to-maturity, Gross Unrealized Losses	0	0
Securities held-to-maturity, Estimated Fair Value	4,704	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
Securities held-to-maturity, Gross Unrealized Gains	0	0
Securities held-to-maturity, Gross Unrealized Losses	0	0
Securities held-to-maturity, Estimated Fair Value	$ 14,234	$ 13,343