Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Schedule of Antidilutive Shares Excluded from Computation of Earnings Per Share

The following table presents the number of Preferred Operating Partnership units, and the potential common shares, that were excluded from the computation of earnings per share as their effect would have been anti-dilutive.

	For the Three Months Ended March 31,
	2017	2016
	Equivalent Shares (if converted)	Equivalent Shares (if converted)
Series B Units	555,216	482,133
Series C Units	392,727	341,032
Series D Units	1,071,983	157,747
	2,019,926	980,912

Schedule of Computation of Earnings Per Common Share

The computation of earnings per common share was as follows for the periods presented:

	For the Three Months Ended March 31,
	2017			2016
Net income attributable to common stockholders	$	82,282		$	82,592
Earnings and dividends allocated to participating securities	(197		)	(165		)
Earnings for basic computations	82,085			82,427
Income allocated to noncontrolling interest - Preferred Operating Partnership (Series A Units) and Operating Partnership	4,049			5,474
Fixed component of income allocated to noncontrolling interest - Preferred Operating Partnership (Series A Units)	(1,271		)	(1,271		)
Net income for diluted computations	$	84,863		$	86,630
Weighted average common shares outstanding:
Average number of common shares outstanding - basic	125,605,403			124,754,174
OP Units	5,596,191			5,621,470
Series A Units	875,480			875,480
Shares related to exchangeable senior notes and dilutive stock options	541,570			704,970
Average number of common shares outstanding - diluted	132,618,644			131,956,094
Earnings per common share
Basic	$	0.65		$	0.66
Diluted	$	0.64		$	0.66