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Long‑Term Debt - 2027 Convertible Senior Notes (Details)			12 Months Ended
	Jun. 28, 2021 USD ($) share_rate day $ / shares	Jan. 26, 2021 USD ($) share_rate day $ / shares	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
Payments of debt issuance costs | $			$ 5,643,000	$ 432,000	$ 0
Payments of expenses associated with initial public offering | $			$ 0	$ 1,373,000	$ 0
2027 Notes: | Convertible Debt
Debt Instrument [Line Items]
Debt instrument, face amount | $	$ 575,000,000
Debt instrument, interest rate, stated percentage	0.375%
Payments of debt issuance costs | $	$ 15,065,000
Payments of expenses associated with initial public offering | $	$ 25,875,000
Debt instrument, convertible, threshold percentage of stock price trigger	130.00%
Debt instrument, convertible, threshold trading days	20
Debt instrument, convertible, threshold consecutive trading days	30
Debt instrument, redemption price, percentage	98.00%
Debt instrument, convertible, number of equity instruments, conversion rate (shares per USD) | share_rate	12.0153
Debt instrument, convertible, conversion price (USD per share) | $ / shares	$ 83.23
Number of trading days after maturity date, debt redeemable	40 days
Effective interest rate	0.864%
2027 Notes: | Convertible Debt | Minimum
Debt Instrument [Line Items]
Share price threshold, adjustment to conversion rate (USD per share) | $ / shares	$ 61.65
2027 Notes: | Convertible Debt | Maximum
Debt Instrument [Line Items]
Debt instrument, convertible, number of equity instruments, conversion rate (shares per USD) | share_rate	16.2206
Share price threshold, adjustment to conversion rate (USD per share) | $ / shares	$ 325.00
Debt covenant, percent of note holders threshold by amount of principal outstanding	25.00%
2027 Notes: | Convertible Debt | Debt Conversion Terms One
Debt Instrument [Line Items]
Debt instrument, convertible, threshold trading days	20
Debt instrument, convertible, threshold consecutive trading days	30
2027 Notes: | Convertible Debt | Debt Conversion Terms Two
Debt Instrument [Line Items]
Debt instrument, convertible, threshold consecutive business days	5
Debt instrument, convertible, threshold consecutive trading days, after threshold consecutive business days	10
2026 Notes: | Convertible Debt
Debt Instrument [Line Items]
Debt instrument, face amount | $		$ 690,000,000
Debt instrument, interest rate, stated percentage		0.125%
Payments of debt issuance costs | $		$ 18,055,000
Payments of expenses associated with initial public offering | $		25,530,000
Repayment of credit facility | $	$ 536,062,000	$ 250,500,000
Debt instrument, convertible, threshold percentage of stock price trigger		130.00%
Debt instrument, convertible, threshold trading days		20
Debt instrument, convertible, threshold consecutive trading days		30
Debt instrument, redemption price, percentage		98.00%
Debt instrument, convertible, number of equity instruments, conversion rate (shares per USD) | share_rate		15.5925
Debt instrument, convertible, conversion price (USD per share) | $ / shares		$ 64.13
Number of trading days after maturity date, debt redeemable		40 days
Effective interest rate		0.658%
2026 Notes: | Convertible Debt | Minimum
Debt Instrument [Line Items]
Share price threshold, adjustment to conversion rate (USD per share) | $ / shares		$ 44.23
2026 Notes: | Convertible Debt | Maximum
Debt Instrument [Line Items]
Debt instrument, convertible, number of equity instruments, conversion rate (shares per USD) | share_rate		22.6090
Share price threshold, adjustment to conversion rate (USD per share) | $ / shares		$ 210.00
Debt covenant, percent of note holders threshold by amount of principal outstanding		25.00%
2026 Notes: | Convertible Debt | Debt Conversion Terms One
Debt Instrument [Line Items]
Debt instrument, convertible, threshold trading days		20
Debt instrument, convertible, threshold consecutive trading days		30
2026 Notes: | Convertible Debt | Debt Conversion Terms Two
Debt Instrument [Line Items]
Debt instrument, convertible, threshold consecutive business days		5
Debt instrument, convertible, threshold consecutive trading days, after threshold consecutive business days		10

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