Long-Term Debt - Convertible Debt Instrument (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Fair value	$ 13,100,000	$ 12,500,000
Exchangeable Senior Notes Due 2024
Debt Instrument [Line Items]
Principal amount	146,601	146,601
Unamortized debt discount, including deferred financing fees	(41,185)	(44,772)
Net carrying amount	105,416	101,829
Exchangeable Senior Notes Due 2025
Debt Instrument [Line Items]
Principal amount	450,000	450,000
Unamortized debt discount, including deferred financing fees	(121,972)	(128,603)
Net carrying amount	328,028	321,397
1.125% Exchangeable Senior Notes Due 2027
Debt Instrument [Line Items]
Principal amount	1,150,000	1,150,000
Unamortized debt discount, including deferred financing fees	(248,721)	(259,380)
Net carrying amount	901,279	890,620
2.5% Exchangeable Senior Notes Due 2027
Debt Instrument [Line Items]
Principal amount	473,175
Unamortized debt discount, including deferred financing fees	(103,012)
Net carrying amount	370,163
Level 2 \| Exchangeable Senior Notes Due 2024
Debt Instrument [Line Items]
Fair value	258,692	249,358
Level 2 \| Exchangeable Senior Notes Due 2025
Debt Instrument [Line Items]
Fair value	654,773	642,591
Level 2 \| 1.125% Exchangeable Senior Notes Due 2027
Debt Instrument [Line Items]
Fair value	1,082,840	$ 1,088,510
Level 2 \| 2.5% Exchangeable Senior Notes Due 2027
Debt Instrument [Line Items]
Fair value	$ 465,112

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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