Annual report pursuant to Section 13 and 15(d)

Noncontrolling Interests In Subsidiaries (Changes In Noncontrolling Interests Of Subsidiaries) (Details)

v3.19.3.a.u2
Noncontrolling Interests In Subsidiaries (Changes In Noncontrolling Interests Of Subsidiaries) (Details) - shares
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Noncontrolling Interests In Subsidiaries [Abstract]      
Balance, Beginning, Common Units 10,229,349 10,438,855 10,488,105
Redemption of common units for shares of common stock (38,011) (264,570) (148,662)
Issuance of units, Common Units     99,412
Redemption of common units (665,918)    
Conversion of vested LTIP units to common units 18,438    
Vested LTIP units 68,206 55,064  
Balance, Ending, Common Units 9,612,064 10,229,349 10,438,855
Balance, Beginning, LTIP Units 1,707,106 1,230,877 657,373
Issuance of units, LTIP Units 565,623 864,024 578,323
Vested LTIP units (86,644) (55,064)  
Cancellation of units (359,754) (332,731) (4,819)
Balance, Ending, LTIP Units 1,826,331 1,707,106 1,230,877