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Segment Reporting (Tables) | 12 Months Ended
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Dec. 31, 2011
Segment Reporting [Abstract] |
Segment results information |
Year ended December 31, 2011 |  | Shuttle Tanker and FSO Segment $ |  |  | FPSO Segment $ |  |  | Liquefied Gas Segment $ |  |  | Conventional Tanker Segment $ |  |  | Total $ |
Revenues |  |  | 613,768 |  |  |  | 464,810 |  |  |  | 272,041 |  |  |  | 603,163 |  |  |  | 1,953,782 |
Voyage expenses |  |  | 97,743 |  |  |  | — |  |  |  | 4,862 |  |  |  | 74,009 |  |  |  | 176,614 |
Vessel operating expenses |  |  | 196,536 |  |  |  | 242,332 |  |  |  | 48,158 |  |  |  | 190,661 |  |  |  | 677,687 |
Time-charter hire expense |  |  | 74,478 |  |  |  | — |  |  |  | — |  |  |  | 139,701 |  |  |  | 214,179 |
Depreciation and amortization |  |  | 129,293 |  |  |  | 96,915 |  |  |  | 63,641 |  |  |  | 138,759 |  |  |  | 428,608 |
General and administrative (2) |  |  | 60,359 |  |  |  | 52,854 |  |  |  | 20,586 |  |  |  | 89,817 |  |  |  | 223,616 |
Asset impairments and net loss (gain) on sale of vessels and equipment |  |  | 43,356 |  |  |  | (4,888 | ) |  |  | — |  |  |  | 112,591 |  |  |  | 151,059 |
Bargain purchase gain |  |  | — |  |  |  | (58,235 | ) |  |  | — |  |  |  | — |  |  |  | (58,235 | )
Goodwill impairment |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 36,652 |  |  |  | 36,652 |
Restructuring charges |  |  | 5,351 |  |  |  | — |  |  |  | — |  |  |  | 139 |  |  |  | 5,490 |
Income (loss) from vessel operations |  |  | 6,652 |  |  |  | 135,832 |  |  |  | 134,794 |  |  |  | (179,166 | ) |  |  | 98,112 |
Segment assets |  |  | 2,182,461 |  |  |  | 2,225,830 |  |  |  | 2,924,653 |  |  |  | 2,572,685 |  |  |  | 9,905,629 |
Year ended December 31, 2010 |  | Shuttle Tanker and FSO Segment $ |  |  | FPSO Segment $ |  |  | Liquefied Gas Segment $ |  |  | Conventional Tanker Segment $ |  |  | Total $ |
Revenues (1) |  |  | 622,195 |  |  |  | 463,931 |  |  |  | 248,378 |  |  |  | 761,249 |  |  |  | 2,095,753 |
Voyage expenses |  |  | 111,003 |  |  |  | — |  |  |  | 29 |  |  |  | 134,065 |  |  |  | 245,097 |
Vessel operating expenses |  |  | 182,614 |  |  |  | 209,283 |  |  |  | 46,497 |  |  |  | 192,153 |  |  |  | 630,547 |
Time charter hire expense |  |  | 89,768 |  |  |  | — |  |  |  | — |  |  |  | 196,224 |  |  |  | 285,992 |
Depreciation and amortization |  |  | 127,438 |  |  |  | 95,784 |  |  |  | 62,904 |  |  |  | 154,579 |  |  |  | 440,705 |
General and administrative (2) |  |  | 51,281 |  |  |  | 42,714 |  |  |  | 20,147 |  |  |  | 79,601 |  |  |  | 193,743 |
Asset impairments and net loss (gain) on sale of vessels and equipment |  |  | 19,480 |  |  |  | — |  |  |  | (4,340 | ) |  |  | 34,010 |  |  |  | 49,150 |
Restructuring charges |  |  | 704 |  |  |  | — |  |  |  | 394 |  |  |  | 15,298 |  |  |  | 16,396 |
Income (loss) from vessel operations |  |  | 39,907 |  |  |  | 116,150 |  |  |  | 122,747 |  |  |  | (44,681 | ) |  |  | 234,123 |
Segment assets |  |  | 1,811,186 |  |  |  | 1,185,017 |  |  |  | 2,869,713 |  |  |  | 2,691,407 |  |  |  | 8,557,323 |
Year ended December 31, 2009 |  | Shuttle Tanker and FSO Segment $ |  |  | FPSO Segment $ |  |  | Liquefied Gas Segment $ |  |  | Conventional Tanker Segment $ |  |  | Total $ |
Revenues |  |  | 583,320 |  |  |  | 390,576 |  |  |  | 246,472 |  |  |  | 961,237 |  |  |  | 2,181,605 |
Voyage expenses |  |  | 86,499 |  |  |  | — |  |  |  | 1,018 |  |  |  | 206,574 |  |  |  | 294,091 |
Vessel operating expenses |  |  | 173,463 |  |  |  | 200,856 |  |  |  | 50,704 |  |  |  | 190,741 |  |  |  | 615,764 |
Time charter hire expense |  |  | 113,786 |  |  |  | — |  |  |  | — |  |  |  | 325,091 |  |  |  | 438,877 |
Depreciation and amortization |  |  | 122,630 |  |  |  | 102,316 |  |  |  | 59,868 |  |  |  | 152,362 |  |  |  | 437,176 |
General and administrative (2) |  |  | 50,923 |  |  |  | 34,276 |  |  |  | 20,007 |  |  |  | 93,630 |  |  |  | 198,836 |
Asset impairments and net loss on sale of vessels and equipment |  |  | 1,902 |  |  |  | — |  |  |  | — |  |  |  | 10,727 |  |  |  | 12,629 |
Restructuring charges |  |  | 7,032 |  |  |  | — |  |  |  | 4,177 |  |  |  | 3,235 |  |  |  | 14,444 |
Income (loss) from vessel operations |  |  | 27,085 |  |  |  | 53,128 |  |  |  | 110,698 |  |  |  | (21,123 | ) |  |  | 169,788 |
| (1) | FPSO segment includes $59.2 million in revenue for the year ended December 31, 2010, related to operations in previous years as a result of executing a contract amendment in March 2010.
| (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 |
|  | December 31, 2011 $ |  |  | December 31, 2010 $ |
Total assets of all segments |  |  | 9,905,629 |  |  |  | 8,557,323 |
Cash |  |  | 692,127 |  |  |  | 779,748 |
Accounts receivable and other assets |  |  | 533,640 |  |  |  | 575,277 |
Consolidated total assets |  |  | 11,131,396 |  |  |  | 9,912,348 |
Revenues and percentage of consolidated revenues |
(U.S. dollars in millions) |  | Year Ended December 31, 2011 |  |  | Year Ended December 31, 2010 |  |  | Year Ended December 31, 2009 |
Statoil ASA (1) |  | $ | 283.7 or 15 | % |  | $ | 330.4 or 16 | % |  | $ | 346.6 or 16 | %
Petroleo Brasileiro SA (1) |  | $ | 224.9 or 12 | % |  | $ | 226.0 or 11 | % |  | $ | 217.9 or 10 | %
BP PLC (2) |  | $ | 190.3 | (3) |  | $ | 222.2 or 11 | % |  | $ | 152.0 | (3)
| (1) | Shuttle tanker and FSO, FPSO and conventional tanker segments
| (2) | Shuttle tanker and FSO, FPSO, liquefied gas and conventional tanker segments
| (3) | Less than 10%

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