Quarterly report pursuant to Section 13 or 15(d)

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

v2.3.0.15
Noncontrolling Interests In Subsidiaries (Changes Of Noncontrolling Interests In Subsidiaries) (Details)
9 Months Ended
Sep. 30, 2011
Oct. 05, 2011
Jan. 05, 2011
Noncontrolling Interests In Subsidiaries [Abstract]      
Balance at January 1, 2011 13,007,668 12,771,105 13,007,668
Redemption of common units for shares of common stock (236,563)    
Balance at September 30, 2011 12,771,105 12,771,105 13,007,668