Property and Equipment

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and Equipment

Property and equipment are as follows (in thousands):

	December 31
	2015			2014
Land	$	7,145		$	6,780
Buildings and leasehold improvements	34,351			33,765
Machinery, equipment and rental tools	85,611			80,731
Equipment in progress	12,304			7,299
Furniture and fixtures	2,749			2,528
Transportation equipment	7,462			6,566
Computer equipment and software	11,382			7,605
Property and equipment	161,004			145,274
Less accumulated depreciation	(69,091		)	(59,163		)
Property and equipment, net	$	91,913		$	86,111

Depreciation expense, including expense recorded in cost of revenue, totaled $13.2 million, $13.1 million, and $11.2 million for the years ended December 31, 2015, 2014, and 2013, respectively.

During the year ended December 31, 2015, an impairment of $2.3 million was recognized related to rental equipment. No impairments were recognized in 2014 and 2013 related to property and equipment.