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Supplementary Cash Flow Information | 6 Months Ended
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Jun. 30, 2018
Supplemental Cash Flow Elements [Abstract] |
Supplementary Cash Flow Information | Supplemental Cash Flow Information Total cash, cash equivalents and restricted cash are as follows:
| June 30, 2018 |  | December 31, 2017 |  | June 30, 2017 |  | December 31, 2016
| $ |  | $ |  | $ |  | $
Cash and cash equivalents | 454,933 |  |  | 445,452 |  |  | 600,881 |  |  | 567,994 |
Restricted cash – current | 55,466 |  |  | 38,179 |  |  | 108,535 |  |  | 107,672 |
Restricted cash – non-current | 34,627 |  |  | 68,543 |  |  | 105,342 |  |  | 129,576 |
| 545,026 |  |  | 552,174 |  |  | 814,758 |  |  | 805,242 |
The Company maintains restricted cash deposits relating to certain term loans, leasing arrangements, project tenders, and collateral for cross-currency swaps (see note 14).

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- Definition The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -URI http://asc.fasb.org/topic&trid=2134446 + Details
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- References No definition available. + Details
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