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REDEEMABLE NONCONTROLLING INTEREST (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Dec. 31, 2013
Redeemable Noncontrolling Interest [Line Items]            
Redeemable Noncontrolling Interest, Equity, Carrying Amount $ 70,511 $ 68,367 $ 70,511 $ 68,367 $ 71,192 $ 89,155
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests     0 (12,193)    
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest     37 (8,852)    
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Noncontrolling Interest     (1,068) (1,420)    
Noncontrolling Interest, Change in Redemption Value $ (2,580) $ 659 $ 350 $ 1,677