Summarized Condensed Consolidating Information - Condensed Consolidating Income Statements (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Revenues:
Rental income	$ 29,404	$ 24,179	$ 85,254	$ 67,857
Tenant reimbursements	2,543	2,089	7,253	5,815
Independent living facilities	825	766	2,407	2,177
Interest and other income	176	72	1,471	587
Total revenues	32,948	27,106	96,385	76,436
Expenses:
Depreciation and amortization	9,745	8,248	28,156	23,433
Interest expense	5,592	5,743	17,690	17,044
Loss on the extinguishment of debt	0	0	11,883	326
Property taxes	2,543	2,089	7,253	5,815
Independent living facilities	698	708	2,003	1,926
Impairment of real estate investment	0	0	890	0
Acquisition costs	0	203	0	203
General and administrative	3,059	2,283	8,426	6,724
Total expenses	21,637	19,274	76,301	55,471
Gain on disposition of other real estate investment	0	0	3,538	0
Income in Subsidiary	0	0	0	0
Net income	11,311	7,832	23,622	20,965	$ 29,353
Reportable Legal Entities | Parent Guarantor
Revenues:
Rental income	0	0	0	0
Tenant reimbursements	0	0	0	0
Independent living facilities	0	0	0	0
Interest and other income	0	0	0	0
Total revenues	0	0	0	0
Expenses:
Depreciation and amortization	0	0	0	0
Interest expense	0	0	0	0
Loss on the extinguishment of debt			0	0
Property taxes	0	0	0	0
Independent living facilities	0	0	0	0
Impairment of real estate investment			0
Acquisition costs		0		0
General and administrative	671	410	1,948	1,281
Total expenses	671	410	1,948	1,281
Gain on disposition of other real estate investment			0
Income in Subsidiary	11,982	8,242	25,570	22,246
Net income	11,311	7,832	23,622	20,965
Reportable Legal Entities | Issuers
Revenues:
Rental income	14,987	10,063	42,503	25,702
Tenant reimbursements	1,341	875	3,577	2,138
Independent living facilities	0	0	0	0
Interest and other income	0	0	0	0
Total revenues	16,328	10,938	46,080	27,840
Expenses:
Depreciation and amortization	5,014	3,194	13,730	8,118
Interest expense	5,592	5,742	17,690	16,548
Loss on the extinguishment of debt			11,883	0
Property taxes	1,341	875	3,577	2,138
Independent living facilities	0	0	0	0
Impairment of real estate investment			0
Acquisition costs		203		203
General and administrative	2,388	1,873	6,416	5,377
Total expenses	14,335	11,887	53,296	32,384
Gain on disposition of other real estate investment			0
Income in Subsidiary	9,989	9,191	32,786	26,790
Net income	11,982	8,242	25,570	22,246
Reportable Legal Entities | Combined Subsidiary Guarantors
Revenues:
Rental income	14,417	14,116	42,751	42,155
Tenant reimbursements	1,202	1,214	3,676	3,677
Independent living facilities	825	766	2,407	2,177
Interest and other income	176	72	1,471	587
Total revenues	16,620	16,168	50,305	48,596
Expenses:
Depreciation and amortization	4,731	5,054	14,426	15,315
Interest expense	0	1	0	496
Loss on the extinguishment of debt			0	326
Property taxes	1,202	1,214	3,676	3,677
Independent living facilities	698	708	2,003	1,926
Impairment of real estate investment			890
Acquisition costs		0		0
General and administrative	0	0	62	66
Total expenses	6,631	6,977	21,057	21,806
Gain on disposition of other real estate investment			3,538
Income in Subsidiary	0	0	0	0
Net income	9,989	9,191	32,786	26,790
Elimination
Revenues:
Rental income	0	0	0	0
Tenant reimbursements	0	0	0	0
Independent living facilities	0	0	0	0
Interest and other income	0	0	0	0
Total revenues	0	0	0	0
Expenses:
Depreciation and amortization	0	0	0	0
Interest expense	0	0	0	0
Loss on the extinguishment of debt			0	0
Property taxes	0	0	0	0
Independent living facilities	0	0	0	0
Impairment of real estate investment			0
Acquisition costs		0		0
General and administrative	0	0	0	0
Total expenses	0	0	0	0
Gain on disposition of other real estate investment			0
Income in Subsidiary	(21,971)	(17,433)	(58,356)	(49,036)
Net income	$ (21,971)	$ (17,433)	$ (58,356)	$ (49,036)