Fair Value Of Assets And Liabilities (Narrative) (Details) (USD $)	3 Months Ended				9 Months Ended
	Sep. 30, 2011	Mar. 31, 2011	Sep. 30, 2010	Mar. 31, 2010	Sep. 30, 2011		Sep. 30, 2010		Jun. 30, 2010
Fair Value Of Assets And Liabilities [Abstract]
Goodwill, Impairment		$ 10,100,000		$ 3,300,000	$ 10,100,000	[1],[2]	$ 3,348,000	[1],[2]
Mortgage loan pools held for trading									621,600,000
Estimated amount of gains or losses included in earnings during the period attributable to changes in instrument-specific credit of loans held for sale	$ 1,600,000		$ 3,500,000		$ 6,900,000		$ 6,200,000

[1] See Note 17 - Restructuring, Repositioning, and Efficiency for further details related to goodwill impairments.

[2] See Note 2 - Acquisitions and Divestitures for further details regarding goodwill related to divestitures.