Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2014

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,	2014			2013			2012
(in thousands except interest rate data)
Interest incurred	$	2,295		$	2,090		$	2,936
Capitalized interest	$	563		$	935		$	1,026
Interest paid (net of capitalized interest)	$	1,314		$	618		$	1,498
Weighted average interest rate		2.2	%		3.7	%		2.3	%