Summarized Condensed Consolidating Information - Condensed Consolidating Income Statements (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Revenues:
Rental income	$ 34,708	$ 28,511	$ 68,524	$ 55,850
Tenant reimbursements	3,016	2,389	5,984	4,710
Independent living facilities	845	789	1,644	1,582
Interest and other income	400	1,140	918	1,295
Total revenues	38,969	32,829	77,070	63,437
Expenses:
Depreciation and amortization	11,299	9,335	22,876	18,411
Interest expense	7,285	6,219	14,377	12,098
Loss on the extinguishment of debt	0	11,883	0	11,883
Property taxes	3,016	2,389	5,984	4,710
Independent living facilities	744	644	1,460	1,305
Impairment of real estate investment	0	890	0	890
General and administrative	3,358	2,977	6,550	5,367
Total expenses	25,702	34,337	51,247	54,664
Gain on sale of real estate	0	0	2,051	0
Gain on disposition of other real estate investment	0	3,538	0	3,538
Income in Subsidiary	0	0	0	0
Net income	13,267	2,030	27,874	12,311	$ 25,874
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		0
General and administrative	931	728	1,835	1,277
Total expenses	931	728	1,835	1,277
Gain on sale of real estate			0
Gain on disposition of other real estate investment		0		0
Income in Subsidiary	14,198	2,758	29,709	13,588
Net income	13,267	2,030	27,874	12,311
Reportable Legal Entities | Issuers
Revenues:
Rental income	20,170	14,294	39,568	27,517
Tenant reimbursements	1,792	1,158	3,556	2,236
Independent living facilities	0	0	0	0
Interest and other income	299	0	722	0
Total revenues	22,261	15,452	43,846	29,753
Expenses:
Depreciation and amortization	6,717	4,529	13,655	8,715
Interest expense	7,285	6,219	14,377	12,098
Loss on the extinguishment of debt		11,883		11,883
Property taxes	1,792	1,158	3,556	2,236
Independent living facilities	0	0	0	0
Impairment of real estate investment		0		0
General and administrative	2,351	2,187	4,639	4,028
Total expenses	18,145	25,976	36,227	38,960
Gain on sale of real estate			2,051
Gain on disposition of other real estate investment		0		0
Income in Subsidiary	10,082	13,282	20,039	22,795
Net income	14,198	2,758	29,709	13,588
Reportable Legal Entities | Combined Subsidiary Guarantors
Revenues:
Rental income	14,538	14,217	28,956	28,333
Tenant reimbursements	1,224	1,231	2,428	2,474
Independent living facilities	845	789	1,644	1,582
Interest and other income	101	1,140	196	1,295
Total revenues	16,708	17,377	33,224	33,684
Expenses:
Depreciation and amortization	4,582	4,806	9,221	9,696
Interest expense	0	0	0	0
Loss on the extinguishment of debt		0		0
Property taxes	1,224	1,231	2,428	2,474
Independent living facilities	744	644	1,460	1,305
Impairment of real estate investment		890		890
General and administrative	76	62	76	62
Total expenses	6,626	7,633	13,185	14,427
Gain on sale of real estate			0
Gain on disposition of other real estate investment		3,538		3,538
Income in Subsidiary	0	0	0	0
Net income	10,082	13,282	20,039	22,795
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		0
General and administrative	0	0	0	0
Total expenses	0	0	0	0
Gain on sale of real estate			0
Gain on disposition of other real estate investment		0		0
Income in Subsidiary	(24,280)	(16,040)	(49,748)	(36,383)
Net income	$ (24,280)	$ (16,040)	$ (49,748)	$ (36,383)