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MANDATORILY REDEEMABLE NONCONTROLLING INTEREST (TABLES)
12 Months Ended
Dec. 31, 2014
Mandatorily Redeemable Noncontrolling Interest [Abstract]  
Rollforward of Mandatorily Redeemable Noncontrolling Interest
  Year Ended December 31,
  2014 2013
Mandatorily redeemable noncontrolling interest, January 1$ 2,509 $ 1,067
Net income attributable to mandatorily redeemable noncontrolling interest  613   482
Working capital distributed to mandatorily redeemable noncontrolling interest  (1,244)   (717)
Change in redemption value  936   1,677
 Mandatorily redeemable noncontrolling interest, December 31$ 2,814 $ 2,509