XML 93 R79.htm IDEA: XBRL DOCUMENT v3.8.0.1
Investments in Non-Marketable Equity Securities (Details Textual) - USD ($)
$ in Thousands
 1 Months Ended 12 Months Ended
Jan. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Dec. 31, 2016
Jun. 30, 2016
May 31, 2015
May 31, 2014
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Security Owned Not Readily Marketable [Line Items]                    
Proceeds from Sale, Maturity and Collection of Investments               $ 32,000 $ 0 $ 1,682
Gains (losses) on sale of securities, net               23,226 10 1,993
Prepaid Expense and Other Assets, Current   $ 39,495   $ 17,195       39,495 17,195  
Gain (Loss) on Sale of Other Investments               23,038 $ 0 1,682
L Company [Member]                    
Security Owned Not Readily Marketable [Line Items]                    
Proceeds from Sale, Maturity and Collection of Investments           $ 1,682 $ 14,743      
Gains (losses) on sale of securities, net                   $ 1,682
Total Proceeds From Sale, Maturity and Collection Of Investments             $ 16,425      
Chi Lin Optoelectronics Co Ltd [Member]                    
Security Owned Not Readily Marketable [Line Items]                    
Proceeds From Capital Reduction Of Investments     $ 132 $ 137            
Chi Lin Technology Co Ltd [Member]                    
Security Owned Not Readily Marketable [Line Items]                    
Proceeds From Capital Reduction Of Investments   26                
Jetronics International Corp [Member]                    
Security Owned Not Readily Marketable [Line Items]                    
Proceeds From Capital Reduction Of Investments         $ 431          
C Company [Member]                    
Security Owned Not Readily Marketable [Line Items]                    
Proceeds from Sale, Maturity and Collection of Investments   10,000                
Total Proceeds From Sale, Maturity and Collection Of Investments   32,000                
Prepaid Expense and Other Assets, Current   $ 22,000           22,000    
Gain (Loss) on Sale of Other Investments               23,038    
Withholding Tax Relating to Sale of Other Investments               $ 2,304    
Proceeds from Remaining Balance of Sale of Long-term Investments $ 22,000