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

12 Months Ended

Dec. 31, 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 December 31,
	2019		2018
	(In thousands)
Marketable investment securities:
Current marketable investment securities:
Trading/equity	$	—	$	2,370
Other		—		147,370
Total current marketable investment securities		—		149,740
Restricted marketable investment securities (1)		390		67,019
Total marketable investment securities		390		216,759
Restricted cash and cash equivalents (1)		60,677		578
Other investment securities:
Other investment securities		106,874		108,308
Total other investment securities		106,874		108,308
Total marketable investment securities, restricted cash and cash equivalents, and other investment securities	$	167,941	$	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 Consolidated Balance Sheets.

Schedule of components of available-for-sale investments

	As of December 31,
	2019								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	$	390	$	—	$	—	$	—	$	66,823	$	40	$	(19)	$	21
Commercial paper		—		—		—		—		45,938		—		—		—
Corporate securities		—		—		—		—		100,662		11		(113)		(102)
Other		—		—		—		—		966		—		—		—
Total	$	390	$	—	$	—	$	—	$	214,389	$	51	$	(132)	$	(81)

Schedule of investments measured at fair value on a recurring basis

	As of December 31,
	2019								2018
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
	(In thousands)
Cash equivalents (including restricted)	$	60,677	$	60,677	$	—	$	—	$	114,464	$	12,493	$	101,971	$	—
Debt securities (including restricted):
U.S. Treasury and agency securities	$	390	$	390	$	—	$	—	$	66,823	$	66,823	$	—	$	—
Commercial paper		—		—		—		—		45,938		—		45,938		—
Corporate securities		—		—		—		—		100,662		—		100,662		—
Other		—		—		—		—		966		—		966		—
Equity securities		—		—		—		—		2,370		2,370		—		—
Total	$	390	$	390	$	—	$	—	$	216,759	$	69,193	$	147,566	$	—

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

	For the Years Ended December 31,
Other, net:	2019		2018		2017
	(In thousands)
Marketable investment securities - realized and unrealized gains (losses)	$	3,119	$	5,313	$	87,020
Costs related to early redemption of debt		—		(3,261)		(1,470)
Gain (loss) on sale of subsidiary		—		7,004		—
Equity in earnings of affiliates		3,514		(2,110)		2,163
Other		976		2,048		798
Total	$	7,609	$	8,994	$	88,511