Noncontrolling Interests (Tables)

12 Months Ended

Dec. 31, 2012

Noncontrolling Interest [Line Items]

Noncontrolling Interests in the Operating Partnership

The following table sets forth noncontrolling interests in the Operating Partnership:

	Year Ended December 31,
	2012			2011
Beginning noncontrolling interests in the Operating Partnership	$	110,655		$	120,838
Adjustments of noncontrolling interests in the Operating Partnership to fair value	16,491			(3,955		)
Issuances of Common Units	2,299			—
Conversion of Common Units to Common Stock	(2,096		)	(1,906		)
Net income attributable to noncontrolling interests in the Operating Partnership	3,854			2,091
Distributions to noncontrolling interests in the Operating Partnership	(6,334		)	(6,413		)
Total noncontrolling interests in the Operating Partnership	$	124,869		$	110,655

Net Income Available for Common Stockholders and Transfers From Noncontrolling Interests in the Operating Partnership

The following table sets forth net income available for common stockholders and transfers from noncontrolling interests in the Operating Partnership:

	Year Ended December 31,
	2012			2011		2010
Net income available for common stockholders	$	77,087		$	38,677	$	61,790
Increase in additional paid in capital from conversion of Common Units to Common Stock	2,096			1,906		3,060
Issuances of Common Units	(2,299		)	—		—
Change from net income available for common stockholders and transfers from noncontrolling interests	$	76,884		$	40,583	$	64,850