Earnings per Share and Unit (Tables)

6 Months Ended

Jun. 30, 2015

Parent Company [Member]

Schedule of earnings per share

The following summarizes the calculation of basic and diluted earnings per share:

	Three months ended June 30,			Six months ended June 30,
(in thousands, except per share data)	2015		2014	2015		2014
Numerator:
Income from operations	$	32,623	29,470	$	62,811	53,811
Gain on sale of real estate	5,657		1,691	6,460		2,406
Less: income attributable to noncontrolling interests	534		413	1,087		814
Income from operations attributable to the Company	37,746		30,748	68,184		55,403
Less: preferred stock dividends and other	5,266		5,442	10,531		10,884
Income from operations attributable to common stockholders - basic	$	32,480	25,306	57,653		44,519
Income from operations attributable to common stockholders - diluted	$	32,480	25,328	57,653		44,550
Denominator:
Weighted average common shares outstanding for basic EPS	94,136		91,975	94,036		91,958
Weighted average common shares outstanding for diluted EPS	94,504		92,021	94,392		91,991
Income per common share – basic	$	0.35	0.28	$	0.61	0.48
Income per common share – diluted	$	0.34	0.28	$	0.61	0.48

Partnership Interest [Member]

Schedule of earnings per share

The following summarizes the calculation of basic and diluted earnings per unit:

	Three months ended June 30,			Six months ended June 30,
(in thousands, except per share data)	2015		2014	2015		2014
Numerator:
Income from operations	$	32,623	29,470	$	62,811	53,811
Gain on sale of real estate	5,657		1,691	6,460		2,406
Less: income attributable to noncontrolling interests	473		360	977		719
Income from operations attributable to the Partnership	37,807		30,801	68,294		55,498
Less: preferred unit distributions and other	5,266		5,442	10,531		10,884
Income from operations attributable to common unit holders - basic	32,541		25,359	57,763		44,614
Income from operations attributable to common unit holders - diluted	32,541		25,381	57,763		44,645
Denominator:
Weighted average common units outstanding for basic EPU	94,290		92,134	94,190		92,118
Weighted average common units outstanding for diluted EPU	94,658		92,180	94,546		92,151
Income per common unit – basic	$	0.35	0.28	$	0.61	0.48
Income per common unit – diluted	$	0.34	0.28	$	0.61	0.48