Marketable Investment Securities, Restricted Cash and Cash Equivalents, and Other Investment Securities (Tables)

9 Months Ended

Sep. 30, 2017

Marketable Investment Securities, Restricted Cash and Cash Equivalents, and Other Investment Securities

Schedule of marketable investment securities, restricted cash and cash equivalents, and other investment securities

	As of
	September 30,		December 31,
	2017		2016
	(In thousands)
Marketable investment securities:
Current marketable investment securities:
Trading	$	47,856	$	—
Other		54,506		3,833
Total current marketable investment securities		102,362		3,833
Restricted marketable investment securities (1)		71,919		81,679
Total marketable investment securities		174,281		85,512
Restricted cash and cash equivalents (1)		403		681
Other investment securities:
Other investment securities - equity method		112,381		25,098
Other investment securities - cost method		—		8,150
Total other investment securities		112,381		33,248
Total marketable investment securities, restricted cash and cash equivalents, and other investment securities	$	287,065	$	119,441

(1) Restricted marketable investment securities and restricted cash and cash equivalents are included in “Restricted cash, cash equivalents and marketable investment securities” on our Condensed Consolidated Balance Sheets.

Schedule of components of available-for-sale investments

	As of September 30, 2017								As of December 31, 2016
	Marketable								Marketable
	Investment		Unrealized						Investment		Unrealized
	Securities		Gains		Losses		Net		Securities		Gains		Losses		Net
	(In thousands)
Debt securities (including restricted):
U.S. Treasury and agency securities	$	75,638	$	—	$	(39)	$	(39)	$	81,982	$	13	$	(132)	$	(119)
Commercial paper		7,340		—		(1)		(1)		—		—		—		—
Corporate securities		42,811		13		(37)		(24)		3,530		3		—		3
Other		636		—		—		—		—		—		—		—
Total	$	126,425	$	13	$	(77)	$	(64)	$	85,512	$	16	$	(132)	$	(116)

Schedule of investments measured at fair value on a recurring basis

	As of
	September 30, 2017								December 31, 2016
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
	(In thousands)
Cash equivalents (including restricted)	$	380,049	$	27,117	$	352,932	$	—	$	702,331	$	4,126	$	698,205	$	—
Debt securities (including restricted):
U.S. Treasury and agency securities	$	75,638	$	75,638	$	—	$	—	$	81,982	$	81,982	$	—	$	—
Commercial paper		7,340		—		7,340		—		—		—		—		—
Corporate securities		42,811		—		42,811		—		3,530		—		3,530		—
Other		636		—		636		—		—		—		—		—
Equity Securities		47,856		47,856		—		—		—		—		—		—
Total	$	174,281	$	123,494	$	50,787	$	—	$	85,512	$	81,982	$	3,530	$	—

Gains and Losses on Sales and Changes in Carrying Amounts of Investments

	For the Three Months Ended				For the Nine Months Ended
	September 30,				September 30,
Other, net:	2017		2016		2017		2016
	(In thousands)
Marketable investment securities - gains (losses) on sales/exchanges	$	—	$	—	$	1,803	$	32,322
Marketable investment securities - unrealized gains (losses) on trading securities		39,706		—		39,706		—
Other		553		1,331		2,175		684
Total	$	40,259	$	1,331	$	43,684	$	33,006