Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues:
Property rental	$ 290,423	$ 290,917	$ 856,438	$ 841,504
Tenant reinsurance	39,294	33,588	107,985	95,086
Management fees and other income	13,307	13,000	38,299	36,063
Total revenues	343,024	337,505	1,002,722	972,653
Expenses:
Property operations	92,322	88,653	271,659	248,288
Tenant reinsurance	7,189	7,644	20,725	21,593
General and administrative	23,894	22,519	72,242	68,548
Depreciation and amortization	56,412	56,051	167,705	165,116
Total expenses	179,817	174,867	532,331	503,545
Gain on real estate transactions	0	0	0	1,205
Income from operations	163,207	162,638	470,391	470,313
Interest expense	(42,213)	(46,908)	(127,610)	(141,716)
Non-cash interest expense related to amortization of discount on equity component of exchangeable senior notes	(1,233)	(1,186)	(3,675)	(3,533)
Interest income	3,145	2,799	6,488	5,905
Income before equity in earnings of unconsolidated real estate ventures and income tax expense	122,906	117,343	345,594	330,969
Equity in earnings and dividend income from unconsolidated real estate entities	5,605	2,704	15,692	8,455
Income tax expense	(4,657)	(4,052)	(10,013)	(8,580)
Net income	123,854	115,995	351,273	330,844
Net income allocated to Preferred Operating Partnership noncontrolling interests	(3,248)	(3,088)	(9,498)	(9,379)
Net income allocated to Operating Partnership and other noncontrolling interests	(5,973)	(4,820)	(16,052)	(13,780)
Net income attributable to common stockholders	$ 114,633	$ 108,087	$ 325,723	$ 307,685
Earnings per common share
Basic (in dollars per share)	$ 0.89	$ 0.84	$ 2.52	$ 2.40
Diluted (in dollars per share)	$ 0.88	$ 0.83	$ 2.50	$ 2.37
Weighted average number of shares
Basic (in shares)	128,862,341	128,776,549	129,044,954	127,830,272
Diluted (in shares)	129,871,096	137,318,475	130,066,121	136,164,299
Cash dividends paid per common share (in dollars per share)	$ 0.90	$ 0.90	$ 2.70	$ 2.66