Acquisitions and Dispositions - Summary of Credit Facilities Associated with PSA Facilities and Related Purchase Price, Debt Repaid and Net Gain on Sale (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Aug. 28, 2019	Aug. 01, 2019	May 18, 2018	May 10, 2018	Feb. 15, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase Price			$ 28,500	$ 28,500
Gain/(loss) on Sale	$ 7,141	$ 0
Pinecone
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Fixed interest rate (as a percent)					12.50%	12.50%	10.00%
Attalla | Pinecone
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Effective interest rate (as a percent)	13.50%
College Park | Pinecone
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Effective interest rate (as a percent)	13.50%
Quail Creek | Congressional Bank
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Effective interest rate (as a percent)	7.15%
Northwest | Pinecone
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Effective interest rate (as a percent)	13.50%
AdCare Property Holdings | Pinecone
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Effective interest rate (as a percent)	13.50%
MED Purchase and Sale Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Principal indebtedness repaid	$ 24,637
Purchase Price	28,500			$ 26,100
Gain/(loss) on Sale	$ 6,451
MED Purchase and Sale Agreement | Attalla | Pinecone
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Fixed interest rate (as a percent)	13.50%
Principal indebtedness repaid	$ 9,696
Purchase Price	13,000
Gain/(loss) on Sale	$ 3,739
MED Purchase and Sale Agreement | College Park | Pinecone
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Fixed interest rate (as a percent)	13.50%
Principal indebtedness repaid	$ 3,043
Purchase Price	7,000
Gain/(loss) on Sale	$ 3,050
MED Purchase and Sale Agreement | Quail Creek | Congressional Bank
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Effective interest rate (as a percent)	7.15%
Principal indebtedness repaid	$ 3,878
Purchase Price	6,100
Gain/(loss) on Sale	$ 524
MED Purchase and Sale Agreement | Quail Creek | Congressional Bank | LIBOR
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Effective interest rate (as a percent)	4.75%
MED Purchase and Sale Agreement | Northwest | Pinecone
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Fixed interest rate (as a percent)	13.50%
Principal indebtedness repaid	$ 3,011
Purchase Price	2,400
Gain/(loss) on Sale	$ (862)
MED Purchase and Sale Agreement | AdCare Property Holdings | Pinecone
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Fixed interest rate (as a percent)	13.50%
Principal indebtedness repaid	$ 5,009