Quarterly Results of Operations (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2010

Quarterly Results of Operations (Tables) [Abstract]

Summary of Unaudited Quarterly Results of Operations

	Year Ended December 31, 2010
	1st Quarter			2nd Quarter			3rd Quarter(2)			4th Quarter
Revenues — as reported	$	152,759		$	163,131		$	176,146		$	202,456
Discontinued operations		(9,717	)		(9,382	)		(7,203	)		(4,426	)
Revenues — as adjusted(1)	$	143,042		$	153,749		$	168,943		$	198,030
Net income (loss) attributable to common stockholders	$	25,812		$	45,646		$	(4,563	)	$	39,988
Net income (loss) attributable to common stockholders per share:
Basic	$	0.21		$	0.37		$	(0.04	)	$	0.29
Diluted		0.21			0.37			(0.04	)		0.29

	Year Ended December 31, 2009
	1st Quarter			2nd Quarter			3rd Quarter(3)			4th Quarter
Revenues — as reported	$	144,328		$	141,686		$	145,098		$	147,261
Discontinued operations		(14,678	)		(12,088	)		(12,235	)		(10,092	)
Revenues — as adjusted(1)	$	129,650		$	129,598		$	132,863		$	137,169
Net income attributable to common stockholders	$	61,119		$	59,240		$	19,130		$	31,700
Net income attributable to common stockholders per share:
Basic	$	0.56		$	0.53		$	0.17		$	0.26
Diluted		0.56			0.53			0.17			0.26

(1)	We have reclassified the income attributable to the properties sold subsequent to January 1, 2002 and attributable to the properties held for sale at Macrh 31, 2011 to discontinued operations. See Note 5.
(2)	The decreases in net income and amounts per share are primarily attributable to provisions for loan losses ($28,918,000) and transaction costs ($18,835,000). Additionally, net income differs from amounts previously reported as it includes adjustments for additional expenses attributable to business combination purchase price adjustments that have been retroactively reflected ($5,687,000).
(3)	The decreases in net income and amounts per share are primarily attributable to losses on extinguishment of debt ($26,374,000).