Basis of Presentation (Tables)

12 Months Ended

Dec. 31, 2016

Accounting Policies [Abstract]

Receivables

Receivables consisted of the following at December 31:

(dollars in thousands)	2016		2015
Trade receivables, net	$	110,873	$	66,648
Other receivables	4,573		13,455
Total	$	115,446	$	80,103