Property and Equipment (Tables)

6 Months Ended

Jun. 30, 2017

Property Plant And Equipment [Abstract]

Property and Equipment

Property and equipment consisted of the following at June 30, 2017 and December 31, 2016 (in thousands):

	June 30,			December 31,
	2017			2016
Equipment	$	7,832,117		$	6,809,129
Oil and natural gas properties		208,299			201,568
Buildings		155,992			97,029
Land		22,475			22,270
Total property and equipment		8,218,883			7,129,996
Less accumulated depreciation, depletion and impairment		(3,986,689	)		(3,721,033	)
Property and equipment, net	$	4,232,194		$	3,408,963