Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements and Derivatives - Effects of foreign currency collar which were not designated as hedging instruments (Details 10)

v3.3.1.900
Fair Value Measurements and Derivatives - Effects of foreign currency collar which were not designated as hedging instruments (Details 10) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Not Designated as Hedging Instrument | Foreign currency collar      
Derivative Instruments Gain Loss [Line Items]      
Loss recognized in other income (expense) $ (26,249) $ (6,980)