Condensed Consolidated Income Statements - USD ($) shares in Thousands, $ in Thousands	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Revenues:
Rental income (related party rental income of $0 and $2,308 for the three months ended June 30, 2016 and 2015, respectively, and $0 and $16,308 for the six months ended June 30, 2016 and 2015, respectively – Note 6)	$ 22,781		$ 15,249	$ 43,678	$ 30,091
Tenant reimbursements (related party tenant reimbursements of $0 and $200 for the three months ended June 30, 2016 and 2015, respectively, and $0 and $1,406 for the six months ended June 30, 2016 and 2015, respectively – Note 6)	1,929		1,288	3,726	2,546
Independent living facilities	730		607	1,411	1,242
Interest and other income	261		232	515	455
Total revenues	25,701		17,376	49,330	34,334
Expenses:
Depreciation and amortization (including a below-market ground lease)	7,892		5,679	15,185	11,278
Interest expense	5,440		5,989	11,627	11,890
Property taxes	1,929		1,288	3,726	2,546
Independent living facilities	598		566	1,218	1,168
General and administrative	2,211		1,588	4,441	3,148
Total expenses	18,070		15,110	36,197	30,030
Net income	$ 7,631		$ 2,266	$ 13,133	$ 4,304	$ 10,034
Earnings per common share:
Basic (in usd per share)	$ 0.13		$ 0.07	$ 0.25	$ 0.13
Diluted (in usd per share)	$ 0.13		$ 0.07	$ 0.25	$ 0.13
Weighted-average number of common shares:
Basic (in shares)	57,478		31,278	52,789	31,268
Diluted (in shares)	57,478		31,278	52,789	31,268
Dividends declared per common share (in usd per share)	$ 0.17	$ 0.17	$ 0.16	$ 0.34	$ 0.32	$ 0.64