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

12 Months Ended

Dec. 31, 2020

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,
	2020		2019
	(In thousands)
Marketable investment securities:
Current marketable investment securities	$	132,593	$	—
Restricted marketable investment securities (1)		—		390
Total marketable investment securities		132,593		390
Restricted cash and cash equivalents (1)		58,323		60,677
Other investment securities:
Other investment securities		97,306		106,874
Total other investment securities		97,306		106,874
Total marketable investment securities, restricted cash and cash equivalents, and other investment securities	$	288,222	$	167,941

(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 investments measured at fair value on a recurring basis

	As of December 31,
	2020								2019
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
	(In thousands)
Cash equivalents (including restricted)	$	1,278,971	$	172,025	$	1,106,946	$	—	$	60,677	$	60,677	$	—	$	—
Debt securities (including restricted):
U.S. Treasury and agency securities	$	22,476	$	22,476	$	—	$	—	$	390	$	390	$	—	$	—
Commercial paper		101,959		—		101,959		—		—		—		—		—
Corporate securities		8,068		—		8,068		—		—		—		—		—
Other		90		—		90		—		—		—		—		—
Total	$	132,593	$	22,476	$	110,117	$	—	$	390	$	390	$	—	$	—

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

	For the Years Ended December 31,
Other, net:	2020		2019		2018
	(In thousands)
Marketable investment securities - realized and unrealized gains (losses)	$	—	$	3,119	$	5,313
Costs related to early redemption of debt		—		—		(3,261)
Gain (loss) on sale of subsidiary		—		—		7,004
Equity in earnings (losses) of affiliates		653		3,514		(2,110)
Other		1,033		976		2,048
Total	$	1,686	$	7,609	$	8,994