Income Tax Considerations (Schedule Of Cash Dividends Distributed To Common Shareholders) (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Note [Line Items]
Ordinary income	50.50%	92.80%	100.00%
Capital gain distributions	49.50%	7.20%	0.00%
Total	100.00%	100.00%	100.00%