Investments - Summary of Remaining Weighted Average Amortization Periods for Intangible Assets and Liabilities (Details)	6 Months Ended
	Jun. 30, 2020
Finite-Lived Intangible Assets [Line Items]
Years remaining, intangible assets	10 years 9 months 18 days
Years remaining, intangible market lease liabilities	15 years 4 months 24 days
In-place leases
Finite-Lived Intangible Assets [Line Items]
Years remaining, in-place leases	10 years 1 month 6 days
Intangible market lease assets
Finite-Lived Intangible Assets [Line Items]
Years remaining, intangible assets	15 years 4 months 24 days