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)
3 Months Ended
Mar. 31, 2018
shares
Noncontrolling Interests In Subsidiaries [Abstract]  
Balance, Beginning, Common Units 10,438,855
Redemption of common units for shares of common stock (224,715)
Balance, Ending, Common Units 10,214,140
Balance, Beginning, LTIP Units 1,230,877
Cancellation of units (30,041)
Balance, Ending, LTIP Units 1,200,836