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Redeemable Noncontrolling Interests (Tables)
6 Months Ended
Jun. 30, 2015
Redeemable Noncontrolling Interests [Abstract]  
Schedule of redeemable noncontrolling interests

  2015  2014 
Balance at January 1, $91,480  $86,153 
Issuance of redeemable partnership interests  -   4,943 
Fair market value adjustment, net  -   225 
Other  (14)  42 
Balance at June 30, $91,466  $91,363