Annual report pursuant to Section 13 and 15(d)

Noncontrolling Interests (Narrative) (Details)

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Noncontrolling Interests (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Noncontrolling Interests [Line Items]        
Common units in operating partnership   7,305,355    
Noncontrolling interests $ 259,615 $ 259,615 $ 218,963  
Distributions paid to noncontrolling interests per common unit $ 1.05      
Number of shares of common stock for each unit of limited partnership interest redeemed 1 1    
Net income allocation to noncontrolling interests - common units   $ 104,290 33,141 $ 28,962
PS [Member]        
Noncontrolling Interests [Line Items]        
Noncontrolling interests $ 255,700 255,700 215,700  
JV Partner [Member]        
Noncontrolling Interests [Line Items]        
Noncontrolling interests 3,900 3,900 3,300  
Brentford at The Mile [Member] | JV Partner [Member]        
Noncontrolling Interests [Line Items]        
Noncontrolling interests $ 700 $ 700 $ 500 $ 0
Special Cash Dividend [Member]        
Noncontrolling Interests [Line Items]        
Distributions paid to noncontrolling interests per common unit   $ 4.60