PROPERTY AND EQUIPMENT (Tables)

3 Months Ended

Mar. 31, 2018

PROPERTY AND EQUIPMENT

Schedule of property and equipment

	March 31,		December 31,
$s in thousands	2018		2017
Cell development costs	$	143,749	$	142,144
Land and improvements		37,038		36,499
Buildings and improvements		87,494		87,034
Railcars		17,299		17,299
Vehicles and other equipment		125,539		122,697
Construction in progress		21,025		23,334
Total property and equipment		432,144		429,007
Accumulated depreciation and amortization		(199,792)		(194,575)
Property and equipment, net	$	232,352	$	234,432