XML 142 R88.htm IDEA: XBRL DOCUMENT v3.20.1
Deposits and Advances to Contractors (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Disclosure of detailed information about property, plant and equipment [line items]    
Advance paid to contractors $ 12,171 $ 43,079
Decrease against longterm deposits (49,950) (3,932)
Lindero Project [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Advance paid to contractors 12,164 42,938
New Deposits Of Equipment and Advances [member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Advance paid to contractors $ 19,175 $ 46,453