Basis Of Presentation (Schedule Of Preferred Stock) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Class of Stock [Line Items]
Shares Outstanding	7,600,000		7,600,000
Aggregate Liquidation Preference			75,000
Series B Preferred Shares [Member]
Class of Stock [Line Items]
Shares Outstanding	4,600,000		4,600,000
Aggregate Liquidation Preference	115,000
Distribution Rate	8.00%
Dividend Per Share	$ 0.5000	$ 0.5000
Series C Preferred Shares [Member]
Class of Stock [Line Items]
Shares Outstanding	3,000,000		3,000,000
Aggregate Liquidation Preference	$ 75,000
Distribution Rate	6.875%
Dividend Per Share	$ 0.4297	$ 0.1862