Annual report pursuant to Section 13 and 15(d)

Consolidated Financial Statement Detail - Additional Information 3 (Details)

v3.6.0.2
Consolidated Financial Statement Detail - Additional Information 3 (Details)
€ in Millions
 1 Months Ended 12 Months Ended
May 31, 2011
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2016
EUR (€)
Contract
May 31, 2011
EUR (€)
Contract
Foreign Exchange Option Contracts [Member]            
Derivative [Line Items]            
Face value of debt         € 15.0  
Number of foreign exchange option contracts | Contract           2
Derivative, premiums | $ $ 1,500,000          
Number of foreign exchange option contracts outstanding | Contract         0  
Derivative, loss | $   $ 0 $ 6,000 $ 400,000    
Foreign Exchange Option Contract 1 [Member]            
Derivative [Line Items]            
Derivative, amount of hedged item           € 1.5
Foreign Exchange Option Contract 2 [Member]            
Derivative [Line Items]            
Derivative, amount of hedged item           € 15.0