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Business Segment Information
 12 Months Ended
Dec. 31, 2016
Segment Reporting [Abstract]  
Business Segment Information
Business Segment Information
 
We have three reportable business segments: Well Intervention, Robotics and Production Facilities. Our U.S., U.K. and Brazil well intervention operating segments are aggregated into the Well Intervention business segment for financial reporting purposes. Our Well Intervention segment includes our vessels and equipment used to perform well intervention services primarily in the U.S. Gulf of Mexico, North Sea and Brazil. Our well intervention vessels include the Q4000, the Q5000, the Seawell, the Well Enhancer, and the chartered Skandi Constructor, Siem Helix 1 and Siem Helix 2 vessels. We previously owned the Helix 534, which we sold in December 2016 (Note 4). Our Well Intervention segment also includes IRSs, some of which we rent out on a stand-alone basis, and SILs. Our Robotics segment includes ROVs, trenchers and ROVDrills designed to complement offshore construction and well intervention services, and currently operates three chartered ROV support vessels. Our Production Facilities segment includes the HP I, the HFRS and our investment in Independence Hub that is accounted for under the equity method, and previously included our former ownership interest in Deepwater Gateway that we sold in February 2016 (Note 5). All material intercompany transactions between the segments have been eliminated.
 
We evaluate our performance based on operating income and income before income taxes of each reportable segment. Certain financial data by reportable segment are summarized as follows (in thousands): 
 
Year Ended December 31,
 
2016
 
2015
 
2014
Net revenues —
 
 
 
 
 
Well Intervention
$
294,000

 
$
373,301

 
$
667,849

Robotics
160,580

 
301,026

 
420,224

Production Facilities
72,358

 
75,948

 
93,175

Other
—

 
—

 
358

Intercompany elimination
(39,356
)
 
(54,473
)
 
(74,450
)
Total
$
487,582

 
$
695,802

 
$
1,107,156

Income (loss) from operations —
 
 
 
 
 
Well Intervention (1)
$
14,910

 
$
(194,381
)
 
$
204,810

Robotics (2)
(72,250
)
 
27,832

 
68,329

Production Facilities (3)
33,861

 
(106,847
)
 
41,138

Corporate and other (4)
(39,384
)
 
(33,866
)
 
(51,600
)
Intercompany elimination
(372
)
 
(98
)
 
(921
)
Total
$
(63,235
)
 
$
(307,360
)
 
$
261,756

 
Year Ended December 31,
 
2016
 
2015
 
2014
Net interest expense —
 
 
 
 
 
Well Intervention
$
(109
)
 
$
(102
)
 
$
(252
)
Robotics
(25
)
 
29

 
(5
)
Production Facilities
—

 
385

 
384

Corporate and elimination
31,373

 
26,602

 
17,732

Total
$
31,239

 
$
26,914

 
$
17,859

Equity in earnings (losses) of investments
$
(2,166
)
 
$
(124,345
)
 
$
879

Income (loss) before income taxes —
 
 
 
 
 
Well Intervention (1)
$
18,813

 
$
(193,572
)
 
$
211,725

Robotics (2) (5)
(73,533
)
 
2,454

 
61,025

Production Facilities (3)
31,695

 
(231,577
)
 
41,633

Corporate and other and eliminations (4) (6)
(70,890
)
 
(55,475
)
 
(51,862
)
Total
$
(93,915
)
 
$
(478,170
)
 
$
262,521

Income tax provision (benefit) —
 
 
 
 
 
Well Intervention
$
12,531

 
$
(1,230
)
 
$
50,102

Robotics
(9,948
)
 
515

 
21,612

Production Facilities
11,093

 
(81,052
)
 
14,395

Corporate and other and eliminations
(26,146
)
 
(19,423
)
 
(19,138
)
Total
$
(12,470
)
 
$
(101,190
)
 
$
66,971

Capital expenditures —
 
 
 
 
 
Well Intervention
$
185,892

 
$
307,879

 
$
283,635

Robotics
720

 
10,700

 
51,348

Production Facilities
74

 
1,867

 
869

Corporate and other
(199
)
 
(135
)
 
1,060

Total
$
186,487

 
$
320,311

 
$
336,912

Depreciation and amortization —
 
 
 
 
 
Well Intervention
$
68,392

 
$
66,095

 
$
57,570

Robotics
25,848

 
26,724

 
24,478

Production Facilities
13,952

 
21,340

 
21,278

Corporate and eliminations
5,995

 
6,242

 
6,019

Total
$
114,187

 
$
120,401

 
$
109,345

(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 2014 included a $10.5 million gain on the sale of our Ingleside spoolbase in January 2014.
(5)
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.
(6)
Amount in 2014 included $16.9 million of income with $7.2 million from an insurance reimbursement related to asset retirement work previously performed and the remaining from our overriding royalty income.
 
Intercompany segment amounts are derived primarily from equipment and services provided to other business segments at rates consistent with those charged to third parties. Intercompany segment revenues are as follows (in thousands): 
 
Year Ended December 31,
 
2016
 
2015
 
2014
 
 
 
 
 
 
Well Intervention
$
8,442

 
$
22,855

 
$
29,875

Robotics
30,914

 
31,618

 
44,575

Total
$
39,356

 
$
54,473

 
$
74,450


 
Revenues by individually significant region are as follows (in thousands): 
 
Year Ended December 31,
 
2016
 
2015
 
2014
 
 
 
 
 
 
United States
$
298,279

 
$
298,391

 
$
403,994

North Sea (1)
137,313

 
263,438

 
504,016

Other
51,990

 
133,973

 
199,146

Total
$
487,582

 
$
695,802

 
$
1,107,156

(1)
Includes revenues of $123.6 million, $187.7 million and $362.7 million, respectively, which were from the U.K.
 
Our assets related to operations, primarily our vessels, operate throughout the year in various regions around the world such as the U.S. Gulf of Mexico, North Sea, Asia Pacific and West Africa. The following table provides our property and equipment, net of accumulated depreciation, by individually significant geographic location of our assets (in thousands): 
 
December 31,
 
2016
 
2015
 
 
 
 
United States
$
956,458

 
$
1,024,691

United Kingdom
299,699

 
352,740

Singapore (1)
194,649

 
112,313

Other
200,804

 
113,265

Total
$
1,651,610

 
$
1,603,009


(1)
Primarily includes the Q7000 vessel under construction.
 
Segment assets are comprised of all assets attributable to each reportable segment. Corporate and other includes all assets not directly identifiable with our business segments, most notably the majority of our cash and cash equivalents. The following table reflects total assets by reportable segment (in thousands): 
 
December 31,
 
2016
 
2015
 
 
 
 
Well Intervention
$
1,596,517

 
$
1,484,109

Robotics
186,901

 
274,926

Production Facilities
158,192

 
182,007

Corporate and other
305,331

 
458,917

Total
$
2,246,941

 
$
2,399,959