Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2015

Long-Term Debt

Schedule of interest incurred and paid on the credit facility, interest capitalized related to facilities and equipment under construction, and the related weighted average interest rates on long term debt

Years Ended December 31,	2015			2014			2013
(in thousands except interest rate data)
Interest incurred	$	1,913		$	2,295		$	2,090
Capitalized interest	$	534		$	563		$	935
Interest paid (net of capitalized interest)	$	1,169		$	1,314		$	618
Weighted average interest rate		2.2	%		2.2	%		3.7	%