Debt (Tables)

12 Months Ended

Dec. 31, 2013

Debt

Schedule of interest costs incurred, capitalized, and expensed

(in thousands)

	Years Ended December 31,
	2013			2012			2011
Interest costs incurred	$	1,019		$	909		$	661
Less: Interest capitalized	(118		)	(116		)	(88		)
Interest expense	$	901		$	793		$	573