Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and restricted cash	$ 6,034,501	$ 6,055,111	$ 8,436,453	$ 8,238,870
Cash and cash equivalents
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and restricted cash	6,008,946	6,027,804
Other Current Assets
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and restricted cash	955	3,189
Non-current Assets
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and restricted cash	24,600	24,118
Cash
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and restricted cash	4,594,128	4,130,774
Cash | Cash and cash equivalents
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and restricted cash	4,568,719	4,103,613
Cash | Other Current Assets
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and restricted cash	955	3,189
Cash | Non-current Assets
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and restricted cash	24,454	23,972
Level 1 Securities | Money market funds
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and restricted cash	1,440,373	1,924,337
Level 1 Securities | Money market funds | Cash and cash equivalents
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and restricted cash	1,440,227	1,924,191
Level 1 Securities | Money market funds | Other Current Assets
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and restricted cash	0	0
Level 1 Securities | Money market funds | Non-current Assets
Cash and Cash Equivalents [Line Items]
Cash, cash equivalents, and restricted cash	$ 146	$ 146