Quarterly report pursuant to Section 13 or 15(d)

Assets and Liabilities Measured at Fair Value (Details)

v3.7.0.1
Assets and Liabilities Measured at Fair Value (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Realized and Unrealized Gains (Losses) on Financial Instruments    
Realized and unrealized gains (losses) $ 981 $ 45,005
Zero-strike call option    
Realized and Unrealized Gains (Losses) on Financial Instruments    
Realized and unrealized gains (losses) $ 981  
Time Warner Cable | Investment and financial instruments [member]    
Realized and Unrealized Gains (Losses) on Financial Instruments    
Realized and unrealized gains (losses)   $ 45,005