Subsequent Events (Tables)

6 Months Ended

Jun. 30, 2011

Subsequent Events

Schedule of Dividends Declared and Distributions per Unit

Share Class	Series C Preferred Stock		Series D Preferred Stock		Common stock and common unit
Dividend and distribution amount	$	0.273438	$	0.343750	$	0.680000
Dividend and distribution payable date		September 30, 2011		September 30, 2011		September 30, 2011
Dividend payable to shareholders of record on		September 15, 2011		September 15, 2011		September 15, 2011
Annual equivalent rate of dividend and distribution	$	1.094	$	1.375	$	2.720