PROPERTY AND EQUIPMENT (Tables)

3 Months Ended

Mar. 31, 2017

PROPERTY AND EQUIPMENT

Schedule of property and equipment

	March 31,			December 31,
$s in thousands	2017			2016
Cell development costs	$	128,927		$	128,821
Land and improvements	34,343			34,285
Buildings and improvements	78,108			78,081
Railcars	17,299			17,299
Vehicles and other equipment	111,962			110,267
Construction in progress	28,572			24,392
Total property and equipment	399,211			393,145
Accumulated depreciation and amortization	(173,451		)	(166,908		)
Property and equipment, net	$	225,760		$	226,237