Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and equipment consists of the following (in thousands):

	December 31,
	2017			2016
Major classes of property and equipment:
Oilfield service equipment	$	260,396		$	267,648
Disposal wells	29,633			23,288
Motor vehicles	43,366			39,322
Furniture and equipment	5,456			8,835
Buildings and land	66,964			65,525
Work in progress	7,312			4,098
Gross property and equipment	413,127			408,716
Accumulated depreciation	(85,813		)	(3,565		)
Net property and equipment	$	327,314		$	405,151