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Disclosure of information on segments (Details 3) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Disclosure of information on segments [Line Items] |  |  |
Total liability | $ 1,187,656 | $ 1,269,186 | $ 1,219,202
Operating Segments [Member] |  |  |
Disclosure of information on segments [Line Items] |  |  |
Total liability | 5,248,748 | 5,315,362 | 5,500,328
Elimination of liabilities of equity accounted investees [Member] |  |  |
Disclosure of information on segments [Line Items] |  |  |
Total liability | (4,034,896) | (4,012,805) | (4,087,495)
Elimination of intercompany payables [Member] |  |  |
Disclosure of information on segments [Line Items] |  |  |
Total liability | (27,822) | (32,769) | (192,958)
Elimination of intersegment other liabilities amount [Member] |  |  |
Disclosure of information on segments [Line Items] |  |  |
Total liability | $ 1,626 | $ (602) | $ (673)

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