Sale Of Vision Bank Business (Schedule Of Balance Sheet Of SE LLC) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Jun. 30, 2012 SEPH LLC [Member]	Mar. 31, 2012 SEPH LLC [Member]	Jun. 30, 2012 Performing Loan [Member] SEPH LLC [Member]	Mar. 31, 2012 Performing Loan [Member] SEPH LLC [Member]	Jun. 30, 2012 Nonperforming Loan [Member] SEPH LLC [Member]	Mar. 31, 2012 Nonperforming Loan [Member] SEPH LLC [Member]
Cash				$ 15,493	$ 16,049
Loans						8,509	16,123	74,100	82,326
Other real estate owned	38,424	42,272		24,985	28,578
Other assets	129,345	120,748		16,964	18,417
Total assets	6,705,574	6,972,245	7,322,024	140,051	161,493
Intercompany borrowings				120,000	140,000
Other liabilities	65,177	61,639		8,822	4,623
Equity				11,229	16,870
Total liabilities and stockholders' equity	$ 6,705,574	$ 6,972,245		$ 140,051	$ 161,493