PROPERTY AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2014

PROPERTY AND EQUIPMENT

Schedule of property and equipment

$s in thousands	2014			2013
Cell development costs	$	120,878		$	77,348
Land and improvements		33,002			18,073
Buildings and improvements		74,518			59,101
Railcars		17,375			17,375
Vehicles and other equipment		98,877			42,859
Construction in progress		10,831			6,784
Total property and equipment		355,481			221,540
Accumulated depreciation and amortization		(127,797	)		(106,681	)
Property and equipment, net	$	227,684		$	114,859