Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues:
Property rental	$ 240,796	$ 211,791	$ 472,289	$ 411,279
Tenant reinsurance	24,313	21,654	47,168	42,209
Management fees and other income	10,894	10,828	19,554	20,188
Total revenues	276,003	244,273	539,011	473,676
Expenses:
Property operations	67,295	62,430	133,940	123,542
Tenant reinsurance	3,804	3,941	7,724	8,252
Acquisition related costs and other	0	3,138	0	7,191
General and administrative	21,865	20,512	40,673	43,914
Depreciation and amortization	46,632	43,950	96,064	86,847
Total expenses	139,596	133,971	278,401	269,746
Income from operations	136,407	110,302	260,610	203,930
Gain (loss) on real estate transactions, earnout from prior acquisition and impairment of real estate	(6,019)	11,358	(6,019)	9,814
Interest expense	(37,456)	(32,802)	(73,426)	(64,161)
Non-cash interest expense related to amortization of discount on equity component of exchangeable senior notes	(1,290)	(1,240)	(2,559)	(2,473)
Interest income	826	1,625	1,928	3,339
Interest income on note receivable from Preferred Operating Partnership unit holder	659	1,212	1,872	2,425
Income before equity in earnings of unconsolidated real estate ventures and income tax expense	93,127	90,455	182,406	152,874
Equity in earnings of unconsolidated real estate ventures	3,838	3,358	7,417	6,188
Equity in earnings of unconsolidated real estate ventures - gain on purchase of a joint venture partner's interest	0	0	0	26,923
Income tax expense	(2,867)	(3,773)	(5,991)	(6,538)
Net income	94,098	90,040	183,832	179,447
Net income allocated to Preferred Operating Partnership noncontrolling interests	(3,430)	(3,434)	(7,381)	(6,614)
Net income allocated to Operating Partnership and other noncontrolling interests	(3,662)	(3,562)	(7,163)	(7,197)
Net income attributable to common stockholders	$ 87,006	$ 83,044	$ 169,288	$ 165,636
Earnings per common share
Basic (in dollars per share)	$ 0.69	$ 0.66	$ 1.34	$ 1.33
Diluted (in dollars per share)	$ 0.69	$ 0.66	$ 1.33	$ 1.32
Weighted average number of shares
Basic (in shares)	125,673,156	124,914,467	125,639,480	124,678,293
Diluted (in shares)	132,783,402	132,025,915	132,759,354	132,152,519
Cash dividends paid per common share (in dollars per share)	$ 0.78	$ 0.78	$ 1.56	$ 1.37