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

6 Months Ended

Jun. 30, 2019

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
	June 30,		December 31,
	2019		2018
	(In thousands)
Marketable investment securities:
Current marketable investment securities:
Trading/equity (Note 2)	$	5	$	2,370
Other		249,619		147,370
Total current marketable investment securities		249,624		149,740
Restricted marketable investment securities (1)		53,884		67,019
Total marketable investment securities		303,508		216,759
Restricted cash and cash equivalents (1)		14,655		578
Other investment securities:
Other investment securities		104,787		108,308
Total other investment securities		104,787		108,308
Total marketable investment securities, restricted cash and cash equivalents, and other investment securities	$	422,950	$	325,645

(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, 2019								As of December 31, 2018
	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	$	119,304	$	134	$	—	$	134	$	66,823	$	40	$	(19)	$	21
Commercial paper		128,966		—		—		—		45,938		—		—		—
Corporate securities		53,226		40		—		40		100,662		11		(113)		(102)
Other		2,007		—		—		—		966		—		—		—
Total	$	303,503	$	174	$	—	$	174	$	214,389	$	51	$	(132)	$	(81)

Schedule of investments measured at fair value on a recurring basis

	As of
	June 30, 2019								December 31, 2018
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
	(In thousands)
Cash equivalents (including restricted)	$	557,923	$	46,720	$	511,203	$	—	$	114,464	$	12,493	$	101,971	$	—
Debt securities (including restricted):
U.S. Treasury and agency securities	$	119,304	$	119,304	$	—	$	—	$	66,823	$	66,823	$	—	$	—
Commercial paper		128,966		—		128,966		—		45,938		—		45,938		—
Corporate securities		53,226		—		53,226		—		100,662		—		100,662		—
Other		2,007		—		2,007		—		966		—		966		—
Equity securities		5		5		—		—		2,370		2,370		—		—
Total	$	303,508	$	119,309	$	184,199	$	—	$	216,759	$	69,193	$	147,566	$	—

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

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
Other, net:	2019		2018		2019		2018
	(In thousands)
Marketable investment securities - realized and unrealized gains (losses)	$	829	$	21,821	$	3,599	$	(14,727)
Costs related to early redemption of debt		—		(2,537)		(439)		(2,716)
Equity in earnings of affiliates		2,297		759		1,353		2,205
Other		5		1,372		51		1,856
Total	$	3,131	$	21,415	$	4,564	$	(13,382)