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

6 Months Ended

Jun. 30, 2017

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

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

	As of
	June 30,		December 31,
	2017		2016
	(In thousands)
Marketable investment securities:
Current marketable investment securities - strategic	$	12,763	$	6,721
Current marketable investment securities - other		7,797		28,895
Total current marketable investment securities		20,560		35,616
Restricted marketable investment securities (1)		81,277		81,679
Total marketable investment securities		101,837		117,295
Restricted cash and cash equivalents (1)		156		681
Other investment securities:
Other investment securities - equity method		111,600		25,098
Other investment securities - cost method		8,150		8,150
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

(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 June 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	$	81,724	$	—	$	(180)	$	(180)	$	81,982	$	13	$	(132)	$	(119)
Corporate securities		19,606		7,728		(4)		7,724		33,555		1,327		—		1,327
Other		507		60		(11)		49		1,758		64		(11)		53
Total	$	101,837	$	7,788	$	(195)	$	7,593	$	117,295	$	1,404	$	(143)	$	1,261

Schedule of available-for-sale securities in continuous unrealized loss position by length of time and their fair value

	As of
	June 30, 2017				December 31, 2016
	Fair		Unrealized		Fair		Unrealized
	Value		Loss		Value		Loss
	(In thousands)
Debt Securities:
Less than 12 months	$	55,538	$	(158)	$	52,011	$	(132)
12 months or more		24,580		(37)		1,537		(11)
Total	$	80,118	$	(195)	$	53,548	$	(143)

Schedule of fair value measurements

	As of
	June 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)	$	2,302,508	$	109,313	$	2,193,195	$	—	$	5,187,900	$	147,494	$	5,040,406	$	—
Debt securities (including restricted):
U.S. Treasury and agency securities	$	81,724	$	81,724	$	—	$	—	$	81,982	$	81,982	$	—	$	—
Corporate securities		19,606		—		7,030		12,576		33,555		—		27,025		6,530
Other		507		—		320		187		1,758		—		1,567		191
Total	$	101,837	$	81,724	$	7,350	$	12,763	$	117,295	$	81,982	$	28,592	$	6,721

Schedule of changes in Level 3 instruments

	Level 3
	Investment
	Securities
	(In thousands)
Balance as of December 31, 2016	$	6,721
Net realized and unrealized gains (losses) included in earnings		—
Net realized and unrealized gains (losses) included in other comprehensive income (loss)		6,423
Purchases		—
Sales		(290)
Settlements		(91)
Issuances		—
Transfers into or out of Level 3		—
Balance as of June 30, 2017	$	12,763

Schedule of gains and losses on sales and changes in carrying values of investments

	For the Three Months				For the Six Months
	Ended June 30,				Ended June 30,
Other Income (Expense):	2017		2016		2017		2016
	(In thousands)
Marketable investment securities - gains (losses) on sales/exchanges	$	2,487	$	29,868	$	4,759	$	108,521
Derivative financial instruments - net realized and/or unrealized gains (losses)		—		17,078		—		5,405
Marketable investment securities - other-than-temporary impairments		—		(914)		—		(914)
Other		680		(656)		3,153		(719)
Total	$	3,167	$	45,376	$	7,912	$	112,293