Receivables (Tables)

3 Months Ended

Mar. 31, 2016

Receivables [Abstract]

Schedule of composition of receivables

Receivables consisted of the following:

(dollars in thousands)	March 31, 2016		December 31, 2015
Trade receivables, net	$	57,845	$	66,648
Other receivables	5,860		13,455
Total	$	63,705	$	80,103