Quarterly report pursuant to Section 13 or 15(d)

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

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Noncontrolling Interests In Subsidiaries (Changes In Noncontrolling Interests Of Subsidiaries) (Details) - shares
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Noncontrolling Interests In Subsidiaries [Abstract]    
Balance, Beginning, Common Units 9,612,064 10,229,349
Redemption of common units for shares of common stock (97,727) (5,000)
Redemption of common units   (301,638)
Conversion of vested LTIP units to common units 3,688 9,218
Vested LTIP units 614 77,426
Cancellation of units (1)  
Balance, Ending, Common Units 9,518,638 10,009,355
Balance, Beginning, LTIP Units 1,826,331 1,707,106
Issuance of units, LTIP Units 1,287,568 565,623
Vested LTIP units (4,302) (86,644)
Cancellation of units (15,273) (359,754)
Balance, Ending, LTIP Units 3,094,324 1,826,331