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

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The cash outflow for derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments.

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The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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Debt - Convertible Senior Notes due in 2024 and 2026 Narrative (Details) - USD ($)			12 Months Ended
	Oct. 09, 2019	Sep. 09, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Net proceeds from issuance			$ 0	$ 553,282,000	$ 1,157,675,000
Net proceeds used to purchase capped call confirmations			0	$ 0	$ 159,677,000
Convertible Debt
Debt Instrument [Line Items]
Debt instrument, face amount			1,672,180,000
0.75% convertible senior notes due 2024 \| Convertible Debt
Debt Instrument [Line Items]
Debt instrument, face amount	$ 73,000,000	$ 600,000,000	$ 608,382,000
Net proceeds from issuance	72,000,000	592,200,000
Net proceeds used to purchase capped call confirmations	$ 9,100,000	75,200,000
Debt instrument, interest rate stated percentage	0.75%		0.75%
1.375% convertible senior notes due 2026 \| Convertible Debt
Debt Instrument [Line Items]
Debt instrument, face amount		500,000,000	$ 498,800,000
Net proceeds from issuance		493,500,000
Net proceeds used to purchase capped call confirmations		$ 75,400,000
Debt instrument, interest rate stated percentage			1.375%