Quarterly report pursuant to Section 13 or 15(d)

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

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Noncontrolling Interests In Subsidiaries (Changes Of Noncontrolling Interests In Subsidiaries) (Details)
6 Months Ended
Jun. 30, 2012
Jul. 05, 2012
Jan. 05, 2012
Noncontrolling Interests In Subsidiaries [Abstract]      
Balance, Beginning 12,197,122 12,177,122 12,197,122
Redemption of common units for shares of common stock (20,000)    
Balance, Ending 12,177,122 12,177,122 12,197,122