Quarterly report pursuant to Section 13 or 15(d)

Investment in and Advances to Unconsolidated Joint Ventures - Narrative (Details)

v3.21.1
Investment in and Advances to Unconsolidated Joint Ventures - Narrative (Details)
$ in Millions
3 Months Ended
Mar. 31, 2021
USD ($)
joint_venture
Mar. 31, 2020
USD ($)
Dec. 31, 2020
joint_venture
Schedule of Equity Method Investments [Line Items]      
Impairment of real estate held for sale | $ $ 0.0 $ 0.0  
LS-NJ Port Imperial JV LLC and LS-Boston Point LLC      
Schedule of Equity Method Investments [Line Items]      
Number of investments | joint_venture 2   2
LS-NJ Port Imperial JV LLC      
Schedule of Equity Method Investments [Line Items]      
Ownership interest (percent) 51.00%   51.00%