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Business Segment Information (Tables) | 12 Months Ended
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Dec. 31, 2017
Segment Reporting [Abstract] |
Schedule of financial data by reportable segment | Certain financial data by reportable segment are summarized as follows (in thousands):
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
Net revenues — |  |  |  |  |
Well Intervention | $ | 406,341 |  |  | $ | 294,000 |  |  | $ | 373,301 |
Robotics | 152,755 |  |  | 160,580 |  |  | 301,026 |
Production Facilities | 64,352 |  |  | 72,358 |  |  | 75,948 |
Intercompany elimination | (42,065 | ) |  | (39,356 | ) |  | (54,473 | )
Total | $ | 581,383 |  |  | $ | 487,582 |  |  | $ | 695,802 |
Income (loss) from operations — |  |  |  |  |
Well Intervention (1) | $ | 52,733 |  |  | $ | 14,910 |  |  | $ | (194,381 | )
Robotics (2) | (42,289 | ) |  | (72,250 | ) |  | 27,832 |
Production Facilities (3) | 28,172 |  |  | 33,861 |  |  | (106,847 | )
Corporate and other | (40,630 | ) |  | (39,384 | ) |  | (33,866 | )
Intercompany elimination | 884 |  |  | (372 | ) |  | (98 | )
Total | $ | (1,130 | ) |  | $ | (63,235 | ) |  | $ | (307,360 | )
Net interest expense — |  |  |  |  |
Well Intervention | $ | (156 | ) |  | $ | (109 | ) |  | $ | (102 | )
Robotics | (30 | ) |  | (25 | ) |  | 29 |
Production Facilities | — |  |  | — |  |  | 385 |
Corporate and elimination | 18,964 |  |  | 31,373 |  |  | 26,602 |
Total | $ | 18,778 |  |  | $ | 31,239 |  |  | $ | 26,914 |
Equity in losses of investments | $ | (2,368 | ) |  | $ | (2,166 | ) |  | $ | (124,345 | )
Income (loss) before income taxes — |  |  |  |  |
Well Intervention (1) | $ | 48,948 |  |  | $ | 18,813 |  |  | $ | (193,572 | )
Robotics (2) (4) | (40,271 | ) |  | (73,533 | ) |  | 2,454 |
Production Facilities (3) | 25,804 |  |  | 31,695 |  |  | (231,577 | )
Corporate and other and eliminations | (54,853 | ) |  | (70,890 | ) |  | (55,475 | )
Total | $ | (20,372 | ) |  | $ | (93,915 | ) |  | $ | (478,170 | )
Income tax provision (benefit) — |  |  |  |  |
Well Intervention | $ | (29,934 | ) |  | $ | 12,531 |  |  | $ | (1,230 | )
Robotics | (11,972 | ) |  | (9,948 | ) |  | 515 |
Production Facilities | 9,032 |  |  | 11,093 |  |  | (81,052 | )
Corporate and other and eliminations | (17,550 | ) |  | (26,146 | ) |  | (19,423 | )
Total | $ | (50,424 | ) |  | $ | (12,470 | ) |  | $ | (101,190 | )
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
Capital expenditures — |  |  |  |  |
Well Intervention | $ | 230,354 |  |  | $ | 185,892 |  |  | $ | 307,879 |
Robotics | 648 |  |  | 720 |  |  | 10,700 |
Production Facilities | — |  |  | 74 |  |  | 1,867 |
Corporate and other | 125 |  |  | (199 | ) |  | (135 | )
Total | $ | 231,127 |  |  | $ | 186,487 |  |  | $ | 320,311 |
Depreciation and amortization — |  |  |  |  |
Well Intervention | $ | 68,301 |  |  | $ | 68,392 |  |  | $ | 66,095 |
Robotics | 23,626 |  |  | 25,848 |  |  | 26,724 |
Production Facilities | 13,936 |  |  | 13,952 |  |  | 21,340 |
Corporate and eliminations | 2,882 |  |  | 5,995 |  |  | 6,242 |
Total | $ | 108,745 |  |  | $ | 114,187 |  |  | $ | 120,401 |
(1) | Amount in 2016 included a $1.3 million gain on the sale of the Helix 534 in December 2016. Amount in 2015 included impairment charges of $205.2 million for the Helix 534 and $6.3 million for certain capitalized vessel project costs and a $16.4 million goodwill impairment charge related to our U.K. well intervention reporting unit.
(2) | Amount in 2016 included a $45.1 million goodwill impairment charge related to our robotics reporting unit.
(3) | Amount in 2015 included a $133.4 million impairment charge for the HP I.
(4) | Amount in 2015 included unrealized losses totaling $18.3 million on our foreign currency exchange contracts associated with the Grand Canyon, Grand Canyon II and Grand Canyon III chartered vessels.
Summary of intercompany segment revenues | Intercompany segment revenues are as follows (in thousands):
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
Well Intervention | $ | 11,489 |  |  | $ | 8,442 |  |  | $ | 22,855 |
Robotics | 30,576 |  |  | 30,914 |  |  | 31,618 |
Total | $ | 42,065 |  |  | $ | 39,356 |  |  | $ | 54,473 |
Schedule of revenue by individually significant region | Revenues by individually significant region are as follows (in thousands):
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
United States | $ | 283,933 |  |  | $ | 298,279 |  |  | $ | 298,391 |
North Sea (1) | 159,961 |  |  | 137,313 |  |  | 263,438 |
Brazil | 70,710 |  |  | 2,543 |  |  | 28,487 |
Other | 66,779 |  |  | 49,447 |  |  | 105,486 |
Total | $ | 581,383 |  |  | $ | 487,582 |  |  | $ | 695,802 |
(1) | Includes revenues of $156.0 million, $123.6 million and $187.7 million, respectively, which were from the U.K.
Schedule of property and equipment, net of accumulated depreciation, by individually significant region | The following table provides our property and equipment, net of accumulated depreciation, by individually significant geographic location of our assets (in thousands):
| December 31,
| 2017 |  | 2016
United States | $ | 894,680 |  |  | $ | 956,458 |
United Kingdom | 270,499 |  |  | 299,699 |
Brazil | 334,454 |  |  | 123,461 |
Singapore (1) | 295,798 |  |  | 194,649 |
Other | 10,558 |  |  | 77,343 |
Total | $ | 1,805,989 |  |  | $ | 1,651,610 |
(1) | Primarily includes the Q7000 vessel under construction.
Schedule of total assets by reportable segment | The following table reflects total assets by reportable segment (in thousands):
| December 31,
| 2017 |  | 2016
Well Intervention | $ | 1,830,733 |  |  | $ | 1,596,517 |
Robotics | 179,853 |  |  | 186,901 |
Production Facilities | 138,292 |  |  | 158,192 |
Corporate and other | 213,959 |  |  | 305,331 |
Total | $ | 2,362,837 |  |  | $ | 2,246,941 |

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