Consolidated and Combined Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues:
Rental income (related party rental income of $0, $16,308 and $32,667 for the year ended December 31, 2016, 2015 and 2014, respectively – Note 6)									$ 93,126	$ 65,979	$ 51,367
Tenant reimbursements (related party tenant reimbursements of $0, $1,406 and $2,842 for the year ended December 31, 2016, 2015 and 2014, respectively – Note 6)									7,846	5,497	4,956
Independent living facilities									2,970	2,510	2,519
Interest and other income									737	965	55
Total revenues	$ 28,243	$ 27,106	$ 25,701	$ 23,629	$ 22,632	$ 17,985	$ 17,376	$ 16,958	104,679	74,951	58,897
Expenses:
Depreciation and amortization (including a below-market ground lease)									31,965	24,133	23,000
Interest expense									23,199	25,256	21,622
Loss on extinguishment of debt									0	0	4,067
Property taxes									7,846	5,497	4,956
Acquisition costs									205	0	47
Independent living facilities									2,549	2,376	2,243
General and administrative									9,297	7,655	11,105
Total expenses									75,061	64,917	67,040
Other income (expense):
Loss on sale of real estate									(265)	0	0
Net income (loss)	$ 8,388	$ 7,832	$ 7,631	$ 5,502	$ 5,003	$ 727	$ 2,266	$ 2,038	$ 29,353	$ 10,034	$ (8,143)
Earnings (loss) per common share:
Basic (in usd per share)	$ 0.14	$ 0.13	$ 0.13	$ 0.11	$ 0.10	$ 0.02	$ 0.07	$ 0.06	$ 0.52	$ 0.26	$ (0.36)
Diluted (in usd per share)	$ 0.14	$ 0.13	$ 0.13	$ 0.11	$ 0.10	$ 0.02	$ 0.07	$ 0.06	$ 0.52	$ 0.26	$ (0.36)
Weighted-average number of common shares:
Basic (in shares)	60,875	57,595	57,478	48,101	47,660	39,125	31,278	31,257	56,030	37,380	22,788
Diluted (in shares)	60,875	57,595	57,478	48,101	47,660	39,125	31,278	31,257	56,030	37,380	22,788