Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
REVENUES
Rental income	$ 104,869	$ 101,472	$ 208,957	$ 200,212
Other operating	376	1,170	857	2,451
Revenues	105,245	102,642	209,814	202,663
EXPENSES
Property operating	38,184	36,263	76,018	71,668
General and administrative	8,005	7,756	16,699	15,828
Acquisition and pursuit costs	785	373	1,371	2,547
Depreciation and amortization	34,823	31,290	69,274	61,684
Bad debts, net of recoveries	105	78	171	39
Total Expenses	81,902	75,760	163,533	151,766
OTHER INCOME (EXPENSE)
Gain on sales of real estate assets	16,124	1	39,527	1
Interest expense	(14,315)	(14,815)	(28,587)	(29,753)
Pension termination	0	(4)	0	(4)
Impairment of real estate assets	(5)	0	(328)	0
Interest and other income, net	77	93	189	179
Total other income (expense)	1,881	(14,725)	10,801	(29,577)
INCOME FROM CONTINUING OPERATIONS	25,224	12,157	57,082	21,320
DISCONTINUED OPERATIONS
Loss from discontinued operations	0	(19)	(17)	(27)
Gain on sales of real estate properties	0	7	5	7
LOSS FROM DISCONTINUED OPERATIONS	0	(12)	(12)	(20)
NET INCOME	$ 25,224	$ 12,145	$ 57,070	$ 21,300
BASIC EARNINGS PER COMMON SHARE:
Income from continuing operations (in dollars per share)	$ 0.22	$ 0.12	$ 0.50	$ 0.21
Discontinued operations (in dollars per share)	0.00	0.00	0.00	0.00
Net income (in dollars per share)	0.22	0.12	0.50	0.21
DILUTED EARNINGS PER COMMON SHARE:
Income from continuing operations (in dollars per share)	0.22	0.12	0.49	0.21
Discontinued operations (in dollars per share)	0.00	0.00	0.00	0.00
Net income (in dollars per share)	$ 0.22	$ 0.12	$ 0.49	$ 0.21
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING - BASIC (in shares)	114,721,099	103,987,749	114,698,219	102,709,919
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING - DILUTED (in shares)	115,674,364	104,769,545	115,596,829	103,470,534
DIVIDENDS DECLARED, PER COMMON SHARE, DURING THE PERIOD (in dollars per share)	$ 0.30	$ 0.30	$ 0.60	$ 0.60