Organization - Additional Information (Details)	1 Months Ended	3 Months Ended
	Mar. 31, 2019 USD ($) Property	Mar. 31, 2019 USD ($) Property shares	Mar. 31, 2018 USD ($) shares	Mar. 02, 2016 USD ($)
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Aggregate offering proceeds			$ 6,962,029
Common stock, shares sold | shares		0	700,000
Number of properties owned | Property	3	3
Seniors Housing Communities
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Number of properties owned | Property	2	2
MOB
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Number of properties owned | Property	1	1
Expense Support Agreement
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Agreement effective termination date	Apr. 01, 2019
Medical Office Building, Mid America Surgery Institute | Discontinued Operations, Held-for-sale | Sale Agreement | HCP Medical Office Buildings, LLC
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Gross sales price of properties	$ 15,400,000
Initial Public Offering
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Common stock, value authorized				$ 1,750,000,000
Aggregate offering proceeds		$ 51,200,000
Common stock, shares sold | shares		4,900,000
Reinvestment Plan
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Common stock, value authorized				$ 250,000,000
Aggregate offering proceeds		$ 1,200,000
Common stock, shares sold | shares		100,000