CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
REVENUE
Total revenue	$ 338,081	$ 306,920	$ 985,262	$ 905,115
EXPENSES
Depreciation and amortization	136,967	127,569	402,069	371,755
Interest	69,342	62,951	195,385	185,935
General and administrative	16,332	13,881	49,970	43,227
Property (including reimbursable)	15,806	17,267	48,594	52,828
Income taxes	1,302	1,133	3,733	2,621
Provisions for impairment	6,862	365	25,034	8,072
Total expenses	246,611	223,166	724,785	664,438
Gain on sales of real estate	7,813	4,319	18,818	17,689
Net income	99,283	88,073	279,295	258,366
Net income attributable to noncontrolling interests	(284)	(133)	(753)	(420)
Net income attributable to the Company	98,999	87,940	278,542	257,946
Preferred stock dividends	0	0	0	(3,911)
Excess of redemption value over carrying value of preferred shares redeemed	0	0	0	(13,373)
Net income available to common stockholders	$ 98,999	$ 87,940	$ 278,542	$ 240,662
Amounts available to common stockholders per common share:
Net income, basic and diluted	$ 0.34	$ 0.32	$ 0.97	$ 0.89
Weighted average common shares outstanding:
Basic (in shares)	290,664,368	275,511,870	286,599,191	270,584,365
Diluted (in shares)	291,207,186	276,050,671	287,105,285	271,126,114
Rental
REVENUE
Total revenue	$ 324,773	$ 293,455	$ 945,191	$ 867,325
Tenant reimbursements
REVENUE
Total revenue	12,479	11,933	35,174	34,918
Other
REVENUE
Total revenue	$ 829	$ 1,532	$ 4,897	$ 2,872