v3.8.0.1

Segment Reporting (Tables) | 12 Months Ended
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Dec. 31, 2016
Segment Reporting [Abstract] |
Schedule of Company's Revenue and Income From Operations by Segment | The following table includes results for the Company’s revenue and income from operations by segment for the years ended December 31, 2016 and 2015. Prior to 2015, the Company had one operating segment.
Year Ended December 31, 2016 | Conventional Tanker Segment $ |  | Ship-to-Ship Transfer Segment $ |  | Inter-segment Adjustment (1) $ |  | Total $
Revenues | 512,608 |  |  | 41,136 |  |  | (3,201 | ) |  | 550,543 |
Voyage expenses | (56,805 | ) |  | — |  |  | 3,201 |  |  | (53,604 | )
Vessel operating expenses | (150,100 | ) |  | (32,498 | ) |  | — |  |  | (182,598 | )
Time-charter hire expense | (57,368 | ) |  | (2,279 | ) |  | — |  |  | (59,647 | )
Depreciation and amortization | (99,024 | ) |  | (5,125 | ) |  | — |  |  | (104,149 | )
General and administrative expenses | (29,432 | ) |  | (3,767 | ) |  | — |  |  | (33,199 | )
(Loss) gain on sale of vessels | (20,926 | ) |  | 332 |  |  | — |  |  | (20,594 | )
Income (loss) from operations (2) | 98,953 |  |  | (2,201 | ) |  | — |  |  | 96,752 |
Equity income | 7,680 |  |  | — |  |  | — |  |  | 7,680 |
Year Ended December 31, 2015 | Conventional Tanker Segment $ |  | Ship-to-Ship Transfer Segment $ |  | Inter-segment Adjustment (1) $ |  | Total $
Revenues | 516,943 |  |  | 18,587 |  |  | (849 | ) |  | 534,681 |
Voyage expenses | (18,379 | ) |  | (348 | ) |  | — |  |  | (18,727 | )
Vessel operating expenses | (123,572 | ) |  | (14,441 | ) |  | 849 |  |  | (137,164 | )
Time-charter hire expense | (74,860 | ) |  | (38 | ) |  | — |  |  | (74,898 | )
Depreciation and amortization | (72,118 | ) |  | (1,642 | ) |  | — |  |  | (73,760 | )
General and administrative expenses | (28,418 | ) |  | (1,985 | ) |  | — |  |  | (30,403 | )
Gain on sale of vessel | 771 |  |  | — |  |  | — |  |  | 771 |
Restructuring charge | (6,468 | ) |  | (327 | ) |  | — |  |  | (6,795 | )
Income (loss) from operations (2) | 193,899 |  |  | (194 | ) |  | — |  |  | 193,705 |
Equity income | 11,528 |  |  | — |  |  | — |  |  | 11,528 |
(1) | The ship-to-ship transfer segment provides lightering support services to the conventional tanker segment for full service lightering operations and the pricing for such services is based on estimated costs incurred of approximately $25,000 per voyage.
(2) | Includes direct general and administrative expenses and indirect general and administrative expenses (allocated to each segment based on estimated use of corporate resources).
Reconciliation of Total Segment Assets to Total Assets Presented in Consolidated Balance Sheets | A reconciliation of total segment assets to total assets presented in the accompanying consolidated balance sheets is as follows:
| As at December 31, 2016 $ |  | As at December 31, 2015 $
Conventional Tanker | 1,809,956 |  |  | 1,999,979 |
Ship-to-Ship Transfer | 26,468 |  |  | 24,429 |
Cash and cash equivalents | 94,157 |  |  | 156,520 |
Accounts receivable | 33,789 |  |  | 33,875 |
Total assets | 1,964,370 |  |  | 2,214,803 |

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8736-108599 + Details
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