Derivative Financial Instruments (Tables)
 12 Months Ended
Dec. 31, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of derivate instruments
Our derivative financial instruments are included in the consolidated balance sheets at their fair values as follows:
 
December 31,
 
2015
 
2014
 
(in thousands)
Other current assets
$
3,705

 
$
1,660

Other non-current assets
—

 
—

 
$
3,705

 
$
1,660
Summary of fair values of expected cash flows of outstanding foreign currency options
The following table presents summarized information about the fair values of our outstanding foreign currency contracts:
 
 
December 31, 2015
 
December 31, 2014
 
 
Notional (C$)
 
Strike Price (1)
 
Market Price (1)
 
Fair Value
 
 
 
 
 
 
 
 
(in thousands)
Portion of option contracts maturing in 2015
 
 
 
 
 
 
 
 
 
 
Puts (purchased)
 
$
—

 
—

 
—

 
$
—

 
$
1,729

Calls (written)
 
$
—

 
—

 
—

 
$
—

 
$
(69
)
Portion of option contracts maturing in 2016
 
 
 
 
 
 
 
 
 
 
Puts (purchased)
 
$
32,011,290

 
0.8400

 
0.7210

 
$
3,714

 
$
—

Calls (written)
 
$
32,011,290

 
0.8600

 
0.7210

 
$
(9
)
 
$
—

 
 
 
 
 
 
 
 
 
 
 
Total
 
 
 
 
 
 
 
$
3,705

 
$
1,660

In connection with our derivative activities, we recognized the following amounts during the periods presented:
 
Years Ended December 31,
 
2015
 
2014
 
2013
 
(in thousands)
Gain associated with derivative instruments
$
(5,161
)
 
$
(1,536
)
 
$
—
Schedule of fair value of derivatives
The effect of the rights of offset are presented in the table below.
 
 
December 31, 2015
 
 
Current assets
 
Non-current assets
 
Current liabilities
 
Non-current liabilities
 
Total
 
 
(in thousands)
Fair value of derivatives - gross presentation
 
$
3,705

 
$
—

 
$
(9
)
 
$
—

 
$
3,696

Effects of netting arrangements
 
—

 
—

 
9

 
—

 
$
9

Fair value of derivatives - net presentation
 
$
3,705

 
$
—

 
$
—

 
$
—

 
$
3,705

 
 
December 31, 2014
 
 
Current assets
 
Non-current assets
 
Current liabilities
 
Non-current liabilities
 
Total
 
 
(in thousands)
Fair value of derivatives - gross presentation
 
$
1,660

 
$
—

 
$
(69
)
 
$
—

 
$
1,591

Effects of netting arrangements
 
—

 
—

 
69

 
—

 
$
69

Fair value of derivatives - net presentation
 
$
1,660

 
$
—

 
$
—

 
$
—

 
$
1,660