XML 48 R37.htm IDEA: XBRL DOCUMENT v3.7.0.1
Marketable Investment Securities, Restricted Cash and Cash Equivalents, and Other Investment Securities (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Marketable investment securities, restricted cash and other investment securities    
Current marketable investment securities $ 20,560 $ 35,616
Restricted marketable investment securities 81,277 81,679
Total marketable investment securities 101,837 117,295
Restricted cash and cash equivalents 156 681
Total other investment securities 119,750 33,248
Total marketable investment securities, restricted cash and cash equivalents and other investment securities 221,743 151,224
Current marketable investment securities - strategic    
Marketable investment securities, restricted cash and other investment securities    
Current marketable investment securities 12,763 6,721
Current marketable investment securities - other    
Marketable investment securities, restricted cash and other investment securities    
Current marketable investment securities 7,797 28,895
Other investment securities    
Marketable investment securities, restricted cash and other investment securities    
Equity method investments 111,600 25,098
Cost method investments $ 8,150 $ 8,150