Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
REVENUES
Rental revenues and tenant expense reimbursements	$ 47,147	$ 43,397	$ 138,005	$ 126,007
Total revenues	47,147	43,397	138,005	126,007
COSTS AND EXPENSES
Property operating expenses	12,228	10,991	36,070	32,393
Depreciation and amortization	12,124	11,105	34,683	32,168
General and administrative	5,130	5,132	16,553	17,852
Acquisition costs	123	47	186	48
Total costs and expenses	29,605	27,275	87,492	82,461
OTHER INCOME (EXPENSE)
Interest and other income	51	832	805	3,171
Interest expense, including amortization	(3,887)	(3,952)	(11,802)	(12,269)
Gain on sales of real estate investments	9,016	1,782	26,766	6,247
Total other income (expense)	5,180	(1,338)	15,769	(2,851)
Net income	22,722	14,784	66,282	40,695
Allocation to participating securities	(194)	(95)	(277)	(257)
Net income available to common stockholders	$ 22,528	$ 14,689	$ 66,005	$ 40,438
EARNINGS PER COMMON SHARE - BASIC AND DILUTED:
Net income available to common stockholders - basic (in dollars per share)	$ 0.33	$ 0.22	$ 0.98	$ 0.64
Net income available to common stockholders - diluted (in dollars per share)	$ 0.33	$ 0.22	$ 0.97	$ 0.63
BASIC WEIGHTED AVERAGE COMMON SHARES OUTSTANDING (in shares)	68,112,661	65,724,426	67,600,957	63,667,100
DILUTED WEIGHTED AVERAGE COMMON SHARES OUTSTANDING (in shares)	68,372,515	66,018,996	67,860,811	63,961,670