CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
REVENUE
Total revenue	$ 318,295	$ 298,025
EXPENSES
Depreciation and amortization	131,103	121,097
Interest	59,415	59,305
General and administrative	15,684	13,565
Property (including reimbursable)	16,552	19,075
Income taxes	1,223	1,047
Provisions for impairment	14,221	5,433
Total expenses	238,198	219,522
Gain on sales of real estate	3,218	10,532
Net income	83,315	89,035
Net income attributable to noncontrolling interests	(152)	(165)
Net income attributable to the Company	83,163	88,870
Preferred stock dividends		(3,911)
Excess of redemption value over carrying value of preferred shares redeemed		(13,373)
Net income available to common stockholders	$ 83,163	$ 71,586
Amounts available to common stockholders per common share:
Net income, basic and diluted (in dollars per share)	$ 0.29	$ 0.27
Weighted average common shares outstanding:
Basic (in shares)	283,917,418	263,340,491
Diluted (in shares)	284,345,328	263,934,304
Rental revenue
REVENUE
Total revenue	$ 306,548	$ 285,821
Tenant reimbursements
REVENUE
Total revenue	11,300	11,229
Other revenue
REVENUE
Total revenue	$ 447	$ 975