Annual report pursuant to Section 13 and 15(d)

EQUITY (Accumulated Other Comprehensive Income (Loss)) (Details)

v3.6.0.2
EQUITY (Accumulated Other Comprehensive Income (Loss)) (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Number of settled instruments designated as cash flow hedges 1    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]      
Beginning balance $ (111,657) $ (70,010) $ (2,370)
Other comprehensive income before reclassifications (65,050) (41,672) (67,700)
Amount reclassified from AOCI 0 25 60
Net other comprehensive income (65,050) (41,647) (67,640)
Ending balance (176,707) (111,657) (70,010)
Gains and Losses On Cash Flow Hedges [Member]      
Accumulated Other Comprehensive Income (Loss) [Roll Forward]      
Beginning balance 0 (25) (79)
Other comprehensive income before reclassifications 0 0 (6)
Amount reclassified from AOCI 0 25 60
Net other comprehensive income 0 25 54
Ending balance 0 0 (25)
Defined Benefit Pension Items [Member]      
Accumulated Other Comprehensive Income (Loss) [Roll Forward]      
Beginning balance (358) (581) (611)
Other comprehensive income before reclassifications (103) 223 30
Amount reclassified from AOCI 0 0 0
Net other comprehensive income (103) 223 30
Ending balance (461) (358) (581)
Foreign Currency Items [Member]      
Accumulated Other Comprehensive Income (Loss) [Roll Forward]      
Beginning balance (111,299) (69,404) (1,680)
Other comprehensive income before reclassifications (64,947) (41,895) (67,724)
Amount reclassified from AOCI 0 0 0
Net other comprehensive income (64,947) (41,895) (67,724)
Ending balance $ (176,246) $ (111,299) $ (69,404)