Annual report pursuant to Section 13 and 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)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Jan. 06, 2014
Jan. 04, 2013
Noncontrolling Interests In Subsidiaries [Abstract]          
Balance, Beginning 12,141,836 12,197,122 13,007,668 11,864,775 12,141,836
Redemption of common units for shares of common stock (277,061) (55,286) (810,546)    
Balance, Ending 11,864,775 12,141,836 12,197,122 11,864,775 12,141,836