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Commitments and Contingencies - Narrative (Details)
$ in Millions
Mar. 31, 2020
USD ($)
Re-leasing costs, recurring capital expenditures, and non-recurring building improvements  
Commitments and Contingencies [Line Items]  
Other commitments $ 6.1
Construction contracts  
Commitments and Contingencies [Line Items]  
Other commitments $ 13.2