XML 54 R40.htm IDEA: XBRL DOCUMENT v3.8.0.1
Derivative Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2017
Derivative Financial Instruments  
Summary of foreign exchange derivatives outstanding

 

 

Fair Value

 

Maturity Dates

 

Notional Amount

 

 

 

(in thousands)

 

Foreign currency exchange forwards

 

$

 

January 2018

 

$

622

 

 

Schedule of derivative gains and (losses)

 

 

Year ended December 31,

 

 

 

2017

 

2016

 

2015

 

 

 

(in thousands)

 

Foreign currency exchange forwards

 

$

(6

)

$

219

 

$