Organization And Summary Of Significant Accounting Policies (Correction of Immaterial Errors) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended			3 Months Ended		3 Months Ended
	Sep. 30, 2012	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011	Sep. 30, 2012 Review of Realizability of Remaining Deferred Tax Assets [Member]	Dec. 31, 2009 Loss on Foreclosure and Impairment Charges [Member]	Sep. 30, 2012 Loss on Foreclosure and Impairment Charges [Member] Correction of Immaterial Errors [Member]
Deferred Tax Assets, Gross						$ 10.3
Decrease in deferred tax assets							10.3
Decrease in valuation allowance	7.7				7.7		10.3
Deferred Income Tax Benefit, Understated Amount		3.1	4.6
Deferred Tax Assets, Net, Understated Amount		7.7		7.7
Deferred income tax benefit					$ 7.7