Organization and Description of Business (Details) - property	Mar. 31, 2020	Dec. 31, 2019
Organization and Description of Business [Line Items]
Number of properties	213	225
Common Interest
Organization and Description of Business [Line Items]
Ownership percentage in joint ventures	96.90%	95.90%
Preferred Interest
Organization and Description of Business [Line Items]
Ownership percentage in joint ventures	100.00%	100.00%
DFT Merger
Organization and Description of Business [Line Items]
Number of properties	8