Summarized Condensed Consolidating Information - Condensed Consolidating Income Statements (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues:
Rental income									$ 155,667
Rental income										$ 140,073	$ 117,633
Tenant reimbursements										11,924	10,254
Independent living facilities									3,389	3,379	3,228
Interest and other income									4,345	1,565	1,867
Total revenues	$ 44,228	$ 33,314	$ 46,201	$ 39,658	$ 40,361	$ 39,510	$ 38,969	$ 38,101	163,401	156,941	132,982
Expenses:
Depreciation and amortization									51,822	45,766	39,159
Interest expense									28,125	27,860	24,196
Loss on the extinguishment of debt									0	0	11,883
Property taxes									3,048	11,924	10,254
Independent living facilities									2,898	2,964	2,733
Impairment of real estate investments									16,692	0	890
Provision for loan losses									1,076	0	0
Reserve for advances and deferred rent									0	0	10,414
General and administrative									15,158	12,555	11,117
Total expenses									118,819	101,069	110,646
Gain on sale of real estate									1,777	2,051	0
Gain on disposition of other real estate investment									0	0	3,538
Income in Subsidiary									0	0	0
Net income	$ 20,662	$ (10,054)	$ 19,698	$ 16,053	$ 15,539	$ 14,510	$ 13,267	$ 14,607	46,359	57,923	25,874
Reportable Legal Entities | Parent Guarantor
Revenues:
Rental income									0
Rental income										0	0
Tenant reimbursements										0	0
Independent living facilities									0	0	0
Interest and other income									0	0	0
Total revenues									0	0	0
Expenses:
Depreciation and amortization									0	0	0
Interest expense									0	0	0
Loss on the extinguishment of debt											0
Property taxes									0	0	0
Independent living facilities									0	0	0
Impairment of real estate investments									0		0
Provision for loan losses									0
Reserve for advances and deferred rent											0
General and administrative									4,218	3,856	2,638
Total expenses									4,218	3,856	2,638
Gain on sale of real estate									0	0
Gain on disposition of other real estate investment											0
Income in Subsidiary									50,577	61,779	28,512
Net income									46,359	57,923	25,874
Reportable Legal Entities | Issuers
Revenues:
Rental income									81,380
Rental income										81,560	60,464
Tenant reimbursements										7,173	5,493
Independent living facilities									0	0	0
Interest and other income									3,001	1,369	215
Total revenues									84,381	90,102	66,172
Expenses:
Depreciation and amortization									30,436	27,553	20,048
Interest expense									28,125	27,860	24,196
Loss on the extinguishment of debt											11,883
Property taxes									2,887	7,173	5,493
Independent living facilities									0	0	0
Impairment of real estate investments									16,692		0
Provision for loan losses									1,076
Reserve for advances and deferred rent											10,414
General and administrative									10,868	8,623	8,417
Total expenses									90,084	71,209	80,451
Gain on sale of real estate									217	2,051
Gain on disposition of other real estate investment											0
Income in Subsidiary									56,063	40,835	42,791
Net income									50,577	61,779	28,512
Reportable Legal Entities | Combined Subsidiary Guarantors
Revenues:
Rental income									74,287
Rental income										58,513	57,169
Tenant reimbursements										4,751	4,761
Independent living facilities									3,389	3,379	3,228
Interest and other income									1,344	196	1,652
Total revenues									79,020	66,839	66,810
Expenses:
Depreciation and amortization									21,386	18,213	19,111
Interest expense									0	0	0
Loss on the extinguishment of debt											0
Property taxes									161	4,751	4,761
Independent living facilities									2,898	2,964	2,733
Impairment of real estate investments									0		890
Provision for loan losses									0
Reserve for advances and deferred rent											0
General and administrative									72	76	62
Total expenses									24,517	26,004	27,557
Gain on sale of real estate									1,560	0
Gain on disposition of other real estate investment											3,538
Income in Subsidiary									0	0	0
Net income									56,063	40,835	42,791
Elimination
Revenues:
Rental income									0
Rental income										0	0
Tenant reimbursements										0	0
Independent living facilities									0	0	0
Interest and other income									0	0	0
Total revenues									0	0	0
Expenses:
Depreciation and amortization									0	0	0
Interest expense									0	0	0
Loss on the extinguishment of debt											0
Property taxes									0	0	0
Independent living facilities									0	0	0
Impairment of real estate investments									0		0
Provision for loan losses									0
Reserve for advances and deferred rent											0
General and administrative									0	0	0
Total expenses									0	0	0
Gain on sale of real estate									0	0
Gain on disposition of other real estate investment											0
Income in Subsidiary									(106,640)	(102,614)	(71,303)
Net income									$ (106,640)	$ (102,614)	$ (71,303)