Annual report pursuant to Section 13 and 15(d)

Investments in Available-for-Sale Securities (Details)

v3.6.0.2
Investments in Available-for-Sale Securities (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Available-for-sale securities    
Investments in available-for-sale securities   $ 439,560
Unrealized Holding Gains and Losses    
Gross unrealized holding gains $ 0 357
Gross unrealized holding losses $ 0 0
Other equity securities    
Available-for-sale securities    
Investments in available-for-sale securities   648
Time Warner Cable    
Available-for-sale securities    
Investments in available-for-sale securities   $ 438,912