Business Segment Information (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Summary of financial data by reportable segment

Certain financial data by reportable segment are summarized as follows (in thousands): 

	Three Months Ended September 30,						Nine Months Ended September 30,
	2018			2017			2018			2017
Net revenues —
Well Intervention	$	154,441		$	111,522		$	445,769		$	299,219
Robotics	54,340			47,049			120,569			102,078
Production Facilities	15,877			16,380			48,541			47,965
Intercompany elimination	(12,083		)	(11,691		)	(33,417		)	(31,145		)
Total	$	212,575		$	163,260		$	581,462		$	418,117
Income (loss) from operations —
Well Intervention	$	34,427		$	16,906		$	82,774		$	37,356
Robotics	5,601			(9,365		)	(12,818		)	(37,313		)
Production Facilities	6,694			7,660			20,919			20,724
Corporate and other	(15,567		)	(10,633		)	(36,507		)	(29,296		)
Intercompany elimination	222			199			665			641
Total	$	31,377		$	4,767		$	55,033		$	(7,888	)

Summary of intercompany segment revenues

Intercompany segment revenues are as follows (in thousands): 

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Well Intervention	$	4,379	$	3,765	$	10,546	$	8,033
Robotics	7,704		7,926		22,871		23,112
Total	$	12,083	$	11,691	$	33,417	$	31,145

Schedule of total assets by reportable segment

The following table reflects total assets by reportable segment (in thousands): 

	September 30, 2018		December 31, 2017
Well Intervention	$	1,912,197	$	1,830,733
Robotics	161,079		179,853
Production Facilities	123,160		138,292
Corporate and other	182,039		213,959
Total	$	2,378,475	$	2,362,837