Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2014

Shareholders' Equity [Abstract]

Schedule Of Preferred Stock Outstanding

		Earliest Potential	Dividend	Shares	Amount
Series	Issuance Date	Redemption Date	Rate	Outstanding	(in thousands)
Series R	October, 2010	October, 2015	6.875%	3,000	$	75,000
Series S	January, 2012	January, 2017	6.450%	9,200		230,000
Series T	May, 2012	May, 2017	6.000%	14,000		350,000
Series U	September, 2012	September, 2017	5.750%	9,200		230,000
Series V	March, 2013	March, 2018	5.700%	4,400		110,000
Total				39,800	$	995,000