Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
REVENUES
Rental income	$ 109,566	$ 103,384	$ 219,795	$ 206,093
Other operating	2,068	1,934	3,963	3,869
Revenues	111,634	105,318	223,758	209,962
EXPENSES
Property operating	41,737	38,184	83,556	76,035
General and administrative	8,373	8,005	17,473	16,699
Acquisition and pursuit costs	120	785	397	1,371
Depreciation and amortization	40,130	34,823	79,703	69,274
Bad debts, net of recoveries	104	105	104	171
Total Expenses	90,464	81,902	181,233	163,550
OTHER INCOME (EXPENSE)
Gain on sales of real estate assets	29,590	16,124	29,590	39,532
Interest expense	(13,069)	(14,315)	(25,737)	(28,587)
Impairment of real estate assets	0	(5)		(328)
Interest and other income, net	38	4	530	41
Total other income (expense)	16,559	1,808	4,383	10,658
NET INCOME	$ 37,729	$ 25,224	$ 46,908	$ 57,070
Basic earnings per common share - Net income (in dollars per share)	$ 0.30	$ 0.22	$ 0.37	$ 0.50
Diluted earnings per common share - Net income (in dollars per share)	$ 0.30	$ 0.22	$ 0.37	$ 0.49
Weighted average common shares outstanding - basic (in shares)	123,284,634	114,721,099	123,271,068	114,698,219
Weighted average common shares outstanding - diluted (in shares)	123,321,005	115,674,364	123,324,160	115,596,829
Dividends declared, per common share, during the period (in dollars per share)	$ 0.30	$ 0.30	$ 0.60	$ 0.60