PROPERTY AND EQUIPMENT (Tables)

6 Months Ended

Jun. 30, 2018

PROPERTY AND EQUIPMENT

Schedule of property and equipment

	June 30,		December 31,
$s in thousands	2018		2017
Cell development costs	$	143,378	$	142,144
Land and improvements		36,932		36,499
Buildings and improvements		87,416		87,034
Railcars		17,299		17,299
Vehicles and other equipment		128,931		122,697
Construction in progress		23,895		23,334
Total property and equipment		437,851		429,007
Accumulated depreciation and amortization		(205,534)		(194,575)
Property and equipment, net	$	232,317	$	234,432