Condensed Consolidated Income Statements - USD ($) shares in Thousands, $ in Thousands	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Revenues:
Rental income	$ 28,511		$ 22,781	$ 55,850	$ 43,678
Tenant reimbursements	2,389		1,929	4,710	3,726
Independent living facilities	789		730	1,582	1,411
Interest and other income	1,140		261	1,295	515
Total revenues	32,829		25,701	63,437	49,330
Expenses:
Depreciation and amortization	9,335		7,892	18,411	15,185
Interest expense	6,219		5,440	12,098	11,301
Loss on the extinguishment of debt	11,883		0	11,883	326
Property taxes	2,389		1,929	4,710	3,726
Independent living facilities	644		598	1,305	1,218
Impairment of real estate investment	890		0	890	0
General and administrative	2,977		2,211	5,367	4,441
Total expenses	34,337		18,070	54,664	36,197
Other income:
Gain on disposition of other real estate investment	3,538		0	3,538	0
Net income	$ 2,030		$ 7,631	$ 12,311	$ 13,133	$ 29,353
Earnings per common share:
Basic (in usd per share)	$ 0.03		$ 0.13	$ 0.17	$ 0.25
Diluted (in usd per share)	$ 0.03		$ 0.13	$ 0.17	$ 0.25
Weighted-average number of common shares:
Basic (in shares)	72,564		57,478	69,773	52,789
Diluted (in shares)	72,564		57,478	69,773	52,789
Dividends declared per common share (in usd per share)	$ 0.185	$ 0.185	$ 0.17	$ 0.37	$ 0.34	$ 0.68