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REDEEMABLE NONCONTROLLING INTEREST (Tables)
12 Months Ended
Dec. 31, 2018
Noncontrolling Interest [Abstract]  
Redeemable Noncontrolling Interest [Table Text Block] The following is a reconciliation of redeemable noncontrolling interest as of December 31, 2018 and 2017 (amounts in thousands):
Balance at January 1, 2017
$
104,809

   Income attributable to redeemable noncontrolling interest
84

   Currency translation
1,907

   Redemption value adjustment
6,393

Balance at December 31, 2017
$
113,193

   Income attributable to redeemable noncontrolling interest
(1,091
)
   Currency translation
(4,496
)
   Redemption value adjustment
12,207

Balance at December 31, 2018
$
119,813