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Capital disclosures (Tables) | 12 Months Ended
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Dec. 31, 2017
Corporate Information And Statement Of IFRS Compliance [Abstract] |
Schedule of liquidity and capitalization |
As at | Dec 31 2017 |  | Dec 31 2016 |
Liquidity: |  |
Cash and cash equivalents | $ | 375,479 |  | $ | 223,890 |
Undrawn credit facilities | 300,000 |  | 300,000 |
Total liquidity | $ | 675,479 |  | $ | 523,890 |
Capitalization: |  |
Unsecured notes | $ | 1,188,163 |  | $ | 1,186,424 |
Limited recourse debt facilities, including current portion | 314,108 |  | 369,782 |
Total debt | 1,502,271 |  | 1,556,206 |
Non-controlling interests | 244,347 |  | 208,515 |
Shareholders’ equity | 1,500,764 |  | 1,596,835 |
Total capitalization | $ | 3,247,382 |  | $ | 3,361,556 |
Total debt to capitalization 1 | 46 | % | 46 | %
Net debt to capitalization 2 | 39 | % | 42 | %
1 | Total debt (including 100% of Egypt limited recourse debt facilities) divided by total capitalization.
2 | Total debt (including 100% of Egypt limited recourse debt facilities) less cash and cash equivalents divided by total capitalization less cash and cash equivalents.

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