CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
REVENUE
Rental (including reimbursable)	$ 364,252	$ 325,265	$ 718,289	$ 643,113
Other	1,198	3,621	1,526	4,068
Total revenue	365,450	328,886	719,815	647,181
EXPENSES
Depreciation and amortization	150,426	133,999	287,943	265,102
Interest	72,488	66,628	142,508	126,043
General and administrative	18,585	17,954	33,693	33,638
Property (including reimbursable)	21,342	16,236	42,978	32,788
Income taxes	1,155	1,208	2,600	2,431
Provisions for impairment	13,061	3,951	17,733	18,172
Total expenses	277,057	239,976	527,455	478,174
Gain on sales of real estate	6,891	7,787	14,154	11,005
Foreign currency and derivative gains, net	136	0	136	0
Net income	95,420	96,697	206,650	180,012
Net income attributable to noncontrolling interests	(226)	(317)	(514)	(469)
Net income available to common stockholders	$ 95,194	$ 96,380	$ 206,136	$ 179,543
Amounts available to common stockholders per common share:
Net income, basic and diluted (in dollars per share)	$ 0.31	$ 0.34	$ 0.67	$ 0.63
Weighted average common shares outstanding:
Basic (in shares)	311,032,972	284,928,969	307,293,949	284,469,689
Diluted (in shares)	311,322,162	285,372,256	307,580,127	284,924,336
Other comprehensive income:
Net income available to common stockholders	$ 95,194	$ 96,380	$ 206,136	$ 179,543
Foreign currency translation adjustment	(6)	0	(6)	0
Unrealized loss on derivatives, net	(2,794)	0	(6,493)	0
Comprehensive income available to common stockholders	$ 92,394	$ 96,380	$ 199,637	$ 179,543