Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2016

Stockholders' Equity

Schedule of the changes in the balances of each component of accumulated other comprehensive income

							Unrealized
	Foreign Currency			Minimum Pension			Gains (Losses) on Available for Sale
	Translation			Liability			Securities			Total
	(in thousands)
Balance at December 31, 2013	$	5,326		$	(736	)	$	31		$	4,621
Other comprehensive income (loss) before reclassifications	149			(145		)	51			55
Amounts reclassified from AOCI	(3,142		)	—			(65		)	(3,207		)
Other comprehensive income (loss)	(2,993		)	(145		)	(14		)	(3,152		)
Balance at December 31, 2014	2,333			(881		)	17			1,469
Other comprehensive income (loss)	(87		)	15			(49		)	(121		)
Balance at December 31, 2015	2,246			(866		)	(32		)	1,348
Other comprehensive income (loss), before reclassifications	(19		)	—			(6		)	(25		)
Amounts reclassified from AOCI	(430		)	866			18			454
Other comprehensive income (loss)	(449		)	866			12			429
Balance at December 31, 2016	$	1,797		$	—		$	(20	)	$	1,777