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Redeemable Non-Controlling Interest (Details) - $ / shares
6 Months Ended
Oct. 09, 2018
Aug. 31, 2018
Jun. 30, 2021
Dec. 31, 2020
HPP-MAC WSP, LLC | VIE, primary beneficiary        
Temporary Equity        
VIE, ownership Interest   75.00%    
Ferry Building | VIE, primary beneficiary        
Temporary Equity        
VIE, ownership Interest 55.00%      
Series A redeemable preferred units        
Temporary Equity        
Preferred A shares outstanding (in shares)     392,598 392,598
Distribution rate of preferred stock     6.25%  
Redeemable non-controlling interest, liquidation preference (in dollars per share)     $ 25.00