Property and Equipment (Tables)

3 Months Ended

Mar. 31, 2019

Property Plant And Equipment [Abstract]

Property and Equipment

Property and equipment consisted of the following at March 31, 2019 and December 31, 2018 (in thousands):

	March 31,			December 31,
	2019			2018
Equipment	$	8,392,658		$	8,370,933
Oil and natural gas properties		221,782			219,855
Buildings		186,989			186,736
Land		26,898			26,144
Total property and equipment		8,828,327			8,803,668
Less accumulated depreciation, depletion and impairment		(4,929,809	)		(4,801,119	)
Property and equipment, net	$	3,898,518		$	4,002,549