Real Estate and In-Place Lease Value - Additional Information (Details) - USD ($)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Real Estate [Line Items]
Business combination, equity interest in acquiree	$ 0
Leases, Acquired-in-Place [Member]
Real Estate [Line Items]
Acquired in-place lease estimated useful life	6 years 9 months 18 days
Building and Building Improvements [Member] | Maximum [Member]
Real Estate [Line Items]
Buildings and building improvements estimated lives	40 years
Commercial [Member] | United Kingdom [Member]
Real Estate [Line Items]
Business combination, equity interest in acquiree		$ 55,500,000
Commercial [Member] | Ireland [Member]
Real Estate [Line Items]
Business combination, equity interest in acquiree		$ 42,400,000