Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Narrative (Details)

v3.21.2
Shareholders' Equity - Narrative (Details) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Equity [Abstract]    
Common shares of beneficial interest reserved for future issuance $ 550,000,000.0  
Shares of beneficial interest, par value (in dollars per share) $ 0.01 $ 0.01