v3.8.0.1

Fair Value Measurements (Tables) | 12 Months Ended
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Dec. 31, 2016
Fair Value Disclosures [Abstract] |
Summary of Changes in Fair Value of Stock Purchase Warrant | Changes in fair value during the years ended December 31, 2016 and 2015 for the TIL stock purchase warrant are as follows:
| Year Ended December 31, 2016 $ |  | Year Ended December 31, 2015 $
Fair value at the beginning of the year | 5,164 |  |  | 4,657 |
Unrealized (loss) gain included in earnings | (4,877 | ) |  | 507 |
Fair value at the end of the year | 287 |  |  | 5,164 |
Changes in fair value during the year ended December 31, 2016 for the Company's time-charter swap agreement are as follows:
| Year Ended December 31, 2016 $
Fair value at the beginning of the year | — |
Settlements | (2,154 | )
Realized and unrealized gain included in earnings | 3,029 |
Fair value at the end of the year | 875 |
Summary of Fair Value and Carrying Value of Assets and Liabilities Measured on Recurring and Non-recurring Basis | The following table includes the estimated fair value, carrying value and categorization using the fair value hierarchy of those assets and liabilities that are measured at their estimated fair value on a recurring and non-recurring basis, as well as certain financial instruments that are not measured at fair value.
| December 31, 2016 |  | December 31, 2015
| Fair Value Hierarchy Level |  | Carrying Amount Asset/ (Liability) $ |  | Fair Value Asset/ (Liability) $ |  | Carrying Amount Asset/ (Liability) $ |  | Fair Value Asset/ (Liability) $
Recurring: |  |  |  |  |  |  |  |  |
Cash and cash equivalents and restricted cash | Level 1 |  | 94,907 |  |  | 94,907 |  |  | 157,390 |  |  | 157,390 |
Derivative instruments (note 11) |  |  |  |  |  |  |  |  |
Interest rate swap agreements (1) | Level 2 |  | 3,143 |  |  | 3,143 |  |  | (10,538 | ) |  | (10,538 | )
Time-charter swap agreement (1) | Level 3 |  | 875 |  |  | 875 |  |  | — |  |  | — |
Stock purchase warrant | Level 3 |  | 287 |  |  | 287 |  |  | 5,164 |  |  | 5,164 |
Non-recurring: |  |  |  |  |  |  |  |  |
Vessels held for sale (note 21) | Level 2 |  | 33,802 |  |  | 33,802 |  |  | — |  |  | — |
Other: |  |  |  |  |  |  |  |  |
Advances to equity accounted investments | Note (2) |  | 10,480 |  |  | Note (2) |  |  | 13,980 |  |  | Note (2) |
Long-term debt, including current portion | Level 2 |  | (933,016 | ) |  | (923,306 | ) |  | (1,164,605 | ) |  | (1,140,135 | )
(1) | The fair value of the Company's interest rate swap agreements and time-charter swap agreement at December 31, 2016 excludes accrued interest expense which is recorded in accrued liabilities in these consolidated financial statements.
(2) | The advances to equity accounted investments together with the Company’s investments in the equity accounted investments form the net aggregate carrying value of the Company’s interests in the equity accounted investments in these consolidated financial statements. The fair values of the individual components of such aggregate interests are not determinable.

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- Definition Tabular disclosure of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset) using recurring unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 + Details
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