Annual report pursuant to Section 13 and 15(d)

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

v3.3.1.900
Noncontrolling Interests In Subsidiaries (Changes In Noncontrolling Interests Of Subsidiaries) (Details) - shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Noncontrolling Interests In Subsidiaries [Abstract]      
Balance, Beginning 11,083,876 11,864,775 12,141,836
Redemption of common units for shares of common stock (567,032) (780,899) (277,061)
Balance, Ending 10,516,844 11,083,876 11,864,775