Property and Equipment (Tables)

6 Months Ended

Jun. 30, 2016

Property, Plant and Equipment [Abstract]

Components of property and equipment

Property and equipment are as follows (in thousands):

	June 30, 2016			December 31, 2015
Land	$	6,896		$	7,145
Buildings and leasehold improvements	34,290			34,351
Machinery, equipment and rental tools	62,775			85,611
Equipment in progress	15,963			12,304
Furniture and fixtures	2,635			2,749
Transportation equipment	6,740			7,462
Computer equipment and software	12,016			11,382
Property and equipment	141,315			161,004
Less accumulated depreciation	(60,556		)	(69,091		)
Property and equipment, net	$	80,759		$	91,913