Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues:
Property rental	$ 271,003	$ 247,886
Tenant reinsurance	29,797	27,034
Management fees and other income	10,746	10,565
Total revenues	311,546	285,485
Expenses:
Property operations	78,765	72,753
Tenant reinsurance	6,967	5,607
General and administrative	22,678	21,464
Depreciation and amortization	54,659	51,749
Total expenses	163,069	151,573
Income from operations	148,477	133,912
Interest expense	(47,360)	(40,966)
Non-cash interest expense related to amortization of discount on equity component of exchangeable senior notes	(1,162)	(1,209)
Interest income	1,388	1,438
Income before equity in earnings of unconsolidated real estate ventures and income tax expense	101,343	93,175
Equity in earnings of unconsolidated real estate ventures	2,630	3,597
Income tax expense	(1,813)	(1,342)
Net income	102,160	95,430
Net income allocated to Preferred Operating Partnership noncontrolling interests	(3,163)	(3,390)
Net income allocated to Operating Partnership and other noncontrolling interests	(4,227)	(3,784)
Net income attributable to common stockholders	$ 94,770	$ 88,256
Earnings per common share
Basic (in dollars per share)	$ 0.74	$ 0.70
Diluted (in dollars per share)	$ 0.74	$ 0.70
Weighted average number of shares
Basic (in shares)	127,037,247	125,772,439
Diluted (in shares)	134,289,716	132,682,560
Cash dividends paid per common share (in dollars per share)	$ 0.86	$ 0.78