Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

Receivables

Receivables consisted of the following at December 31:

(dollars in thousands)	2015		2014
Trade receivables, net	$	66,648	$	54,647
Other receivables	13,455		23,973
Total	$	80,103	$	78,620