XML 127 R85.htm IDEA: XBRL DOCUMENT v3.20.1
Financial risk management - Capital Risk Management (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of detailed information about financial instruments [abstract]        
Total debt $ 968,280 $ 862,116 $ 817,958  
Total equity 1,028,883 1,108,145 [1] $ 683,019 $ 712,304
TOTAL SHAREHOLDERS EQUITY AND LIABILITIES $ 1,997,163 $ 1,970,261    
Gearing ratio 48.00% 44.00%    
[1] Net of 139,223 of Income tax.