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

12 Months Ended

Dec. 31, 2021

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,
	2021		2020
	(In thousands)
Marketable investment securities:
Current marketable investment securities	$	1,670,739	$	132,593
Restricted marketable investment securities (1)		—		—
Total marketable investment securities		1,670,739		132,593
Restricted cash and cash equivalents (1)		55,027		58,323
Other investment securities:
Other investment securities		99,606		97,306
Total other investment securities		99,606		97,306
Total marketable investment securities, restricted cash and cash equivalents, and other investment securities	$	1,825,372	$	288,222

(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,
	2021								2020
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
	(In thousands)
Cash equivalents (including restricted)	$	1,404,505	$	60,085	$	1,344,420	$	—	$	1,278,971	$	172,025	$	1,106,946	$	—
Debt securities (including restricted):
U.S. Treasury and agency securities	$	—	$	—	$	—	$	—	$	22,476	$	22,476	$	—	$	—
Commercial paper		1,413,134		—		1,413,134		—		101,959		—		101,959		—
Corporate securities		254,631		—		254,631		—		8,068		—		8,068		—
Other		2,974		—		2,974		—		90		—		90		—
Total	$	1,670,739	$	—	$	1,670,739	$	—	$	132,593	$	22,476	$	110,117	$	—

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

	For the Years Ended December 31,
Other, net:	2021		2020		2019
	(In thousands)
Marketable investment securities - realized and unrealized gains (losses)	$	—	$	—	$	3,602
Costs related to early redemption of debt		(3,587)		—		(483)
Equity in earnings (losses) of affiliates		2,520		653		3,514
Other		247		1,033		976
Total	$	(820)	$	1,686	$	7,609