| Changes in Non-cash Working Capital Items Related to Operating Activities |
The changes in non-cash working capital items related to operating activities for the years ended December 31, 2016, 2015, and 2014 are as follows: | | | | | | | | | | | Year Ended December 31, | | 2016 $ | | 2015 $ | | 2014 $ | Accounts receivable and interest receivable | (108 | ) | | (5,765 | ) | | 46,637 |
| Pool receivables from affiliates | 38,137 |
| | (27,448 | ) | | (12,951 | ) | Due from affiliates | 18,371 |
| | 32,801 |
| | 1,557 |
| Prepaid expenses and other current assets | 2,313 |
| | (6,267 | ) | | (3,098 | ) | Accounts payable and accrued liabilities | (26,821 | ) | | 27,473 |
| | (45,235 | ) | Due to affiliates | (3,606 | ) | | (12,735 | ) | | (47,432 | ) | Deferred revenue | 1,718 |
| | 2,039 |
| | (2,324 | ) | Other | — |
| | (8,443 | ) | | 1,999 |
| Change in operating assets and liabilities | 30,004 |
|
| 1,655 |
|
| (60,847 | ) |
|