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CONSOLIDATED STATEMENT OF CHANGES IN EQUITY - USD ($)
shares in Thousands, $ in Thousands
Share Capital
Reserves
Translation Difference
Valuation Adjustments
Result for the Year
Noncontrolling interests
Total
Shares outstanding at beginning of period at Dec. 31, 2015             171,838
Equity at beginning of period at Dec. 31, 2015 $ 1,288,787 $ 143,170 $ (217,104) $ (18,435) $ (43,268) $ 141,823 $ 1,294,973
Comprehensive (loss) income     (319) 6,548 (338,427) (20,186) (352,384)
Share decrease (net effect) (1,287,068) 1,287,068          
Share issuance costs   (275)         (275)
Dividends paid   (54,988)         (54,988)
Distribution of profit (loss)   (43,268)     43,268    
Other changes 76 721       3,919 4,716
Equity at end of period at Dec. 31, 2016 1,795 1,332,428 (217,423) (11,887) (338,427) 125,556 $ 892,042
Shares outstanding at end of period at Dec. 31, 2016             171,838
Comprehensive (loss) income     52,748 (4,912) (678) (3,222) $ 43,936
Issue of share capital 1 179         180
Share-based compensation   2,405         2,405
Dividends paid to joint venture partner           (7,350) (7,350)
Distribution of profit (loss)   (338,427)     338,427    
Non-controlling interest arising on the acquisition           6,750 6,750
Other changes   (205)       1,922 (205)
Equity at end of period at Dec. 31, 2017 1,796 996,380 (164,675) (16,799) (678) 121,734 $ 937,758
Shares outstanding at end of period at Dec. 31, 2017             171,977
Shares issued (in shares)             139
Comprehensive (loss) income     (44,276) 5,591 43,661 (19,978) $ (15,002)
Issue of share capital   240         240
Share-based compensation   2,798         2,798
Cash settlement of equity awards   (680)         (680)
Dividends paid to joint venture partner   (20,642)         (20,642)
Distribution of profit (loss)   (678)     678    
Own shares acquired (12) (20,088)         $ (20,100)
Own shares acquired (in shares)             (1,153)
Non-controlling interest arising on the acquisition   (15,623) 1,585 (351)   14,389  
Other changes           (890)  
Equity at end of period at Dec. 31, 2018 $ 1,784 $ 941,707 $ (207,366) $ (11,559) $ 43,661 $ 116,145 $ 884,372
Shares outstanding at end of period at Dec. 31, 2018             170,864
Shares issued (in shares)             40