Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Long-Term Debt - 3.875% Notes (Details) - USD ($)	Dec. 31, 2021	Dec. 14, 2021	May 19, 2021	May 11, 2021	May 10, 2021	Dec. 31, 2020	Aug. 21, 2020
3.875% Notes \| Notes Payable
Debt Instrument [Line Items]
Debt instrument, interest rate	3.875%					3.875%
Principal amount of debt							$ 700,000,000
Debt discount and issuance costs							$ 9,400,000
1.625% Notes \| Convertible Debt
Debt Instrument [Line Items]
Debt instrument, interest rate	1.625%	1.625%	1.625%	1.625%	1.625%	1.625%
Debt discount and issuance costs	$ 10,500,000					$ 59,400,000