Commitments and Contingencies - Narrative (Details) $ in Millions	Dec. 31, 2019 USD ($)
Other Commitments [Line Items]
Aggregate required financing of capital expenditures as percentage of initial investment in property (percent)	20.00%
Expansion, construction and capital improvements at triple-net leased facilities
Other Commitments [Line Items]
Funding commitment	$ 13.5
Portion of funding commitments subject to rent increase at time of funding	$ 11.8