Property, Plant and Equipment

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Note 7—Property, Plant and Equipment

Major classes of property, plant and equipment consist of the following (in thousands): 

	December 31,
	2016			2015
Land	$	76,437		$	74,600
Buildings and equipment	412,999			139,908
Other	10,431			6,355
Total property, plant and equipment	499,867			220,863
Proved oil and gas properties	1,122			1,122
Less accumulated depreciation and depletion	(49,727		)	(26,845		)
Property, plant and equipment, net	$	451,262		$	195,140

Depreciation and depletion expense was approximately $23.1 million, $15.3 million and $11.2 million for the years ended December 31, 2016, 2015 and 2014, respectively.