Income Taxes (Taxability Of Common And Preferred Share Distributions) (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Series A Preferred Shares [Member]
Ordinary income (in hundredths)	100.00%	100.00%	100.00%
Return of Capital (in hundredths)	0.00%	0.00%	0.00%
Capital Gain Distribution (in hundredths)	0.00%	0.00%	0.00%
Series B Preferred Shares [Member]
Ordinary income (in hundredths)	100.00%	100.00%	100.00%
Return of Capital (in hundredths)	0.00%	0.00%	0.00%
Capital Gain Distribution (in hundredths)	0.00%	0.00%	0.00%
Series C Preferred Shares [Member]
Ordinary income (in hundredths)	100.00%
Return of Capital (in hundredths)	0.00%
Capital Gain Distribution (in hundredths)	0.00%
Class A Common Shares [Member]
Ordinary income (in hundredths)	45.15%	1.28%	73.30%
Return of Capital (in hundredths)	54.85%	98.72%	26.70%
Capital Gain Distribution (in hundredths)	0.00%	0.00%	0.00%