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NONCONTROLLING INTERES (NONCONTROLLING INTEREST ROLLFORWARD TABLE) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Stockholders' Equity Attributable to Noncontrolling Interest    
Noncontrolling interest, January 1 $ 6,978 $ 6,981
Net income attributable to noncontrolling interest 1,341 922
Dividends distributed to noncontrolling interest (945) (945)
Foreign currency translation adjustments 101 92
Other   (291)
Noncontrolling interest, June 30 $ 7,475 $ 6,759