Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2019

Derivative Financial Instruments

Schedule of gains and (losses) and weighted average notional amount of derivatives

	Three months ended June 30, 2018				Six months ended June 30, 2018
	Gains (Losses)		Weighted average notional amount		Gains (Losses)		Weighted average notional amount
	(in thousands)
Foreign currency exchange forwards	$	199	$	5,376	$	216	$	2,392