Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2014

Derivative Financial Instruments

Schedule of notional amount and fair value of derivatives

	Fair		Maturity		Notional
	Value		Dates		Amount
	(in thousands)
December 31, 2013
Foreign currency exchange forwards	$	1		January 2014		$	4,700
Foreign currency collar	906			October 2014		34,069
Total	$	907				$	38,769

Schedule of derivative realized net gain (loss)

	Year ended December 31,
	2014			2013		2012
	(in thousands)
Foreign currency exchange forwards	$	(89	)	$	248	$	333
Foreign currency collar	(457		)	906		—
	$	(546	)	$	1,154	$	333