Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2013

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,	2013			2012			2011
(in thousands except interest rate data)
Interest incurred	$	2,090		$	2,936		$	4,146
Capitalized interest	$	935		$	1,026		$	627
Interest paid (net of capitalized interest)	$	618		$	1,498		$	3,168
Weighted average interest rate		3.7	%		2.3	%		2.8	%