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Debt - Narrative (Details) $ / shares in Units, $ in Thousands	1 Months Ended		3 Months Ended		6 Months Ended
	May 31, 2021 USD ($) day $ / shares	Jan. 31, 2018 USD ($) day $ / shares	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Underwriting discounts and commissions and other offering expenses | $			$ 16,023		$ 16,023		$ 11,539
Net proceeds | $					0	$ 575,000
Loss on extinguishment of debt | $			0	$ 17,689	0	$ 17,689
0.75% convertible senior notes due 2028
Debt Instrument [Line Items]
Initial conversion rate	0.0307692	30.7692
1.75% convertible senior notes due 2025
Debt Instrument [Line Items]
Initial conversion rate	0.0255384	25.5384
Convertible Notes | 0.75% convertible senior notes due 2028
Debt Instrument [Line Items]
Aggregate principal amount | $	$ 575,000
Option to purchase additional debt | $	75,000
Underwriting discounts and commissions and other offering expenses | $	15,700		13,400		$ 13,400
Net proceeds | $	$ 559,300
Initial conversion price (in dollars per share) | $ / shares	$ 32.50
Remaining discount amortization period					5 years 11 months 1 day
Convertible Notes | 0.75% convertible senior notes due 2028 | Conversion Term (i)
Debt Instrument [Line Items]
Threshold trading days	5
Threshold consecutive trading days	5
Threshold percent of stock price trigger	98.00%
Convertible Notes | 0.75% convertible senior notes due 2028 | Conversion Term (ii)
Debt Instrument [Line Items]
Threshold trading days	45
Threshold consecutive trading days	10
Threshold percent of stock price trigger	10.00%
Convertible Notes | 0.75% convertible senior notes due 2028 | Conversion Term (iii)
Debt Instrument [Line Items]
Threshold trading days following fundamental change	30
Convertible Notes | 0.75% convertible senior notes due 2028 | Conversion Term (iv)
Debt Instrument [Line Items]
Threshold trading days	20
Threshold consecutive trading days	30
Threshold percent of stock price trigger	130.00%
Convertible Notes | 1.75% convertible senior notes due 2025
Debt Instrument [Line Items]
Aggregate principal amount | $		$ 450,000
Option to purchase additional debt | $		50,000
Underwriting discounts and commissions and other offering expenses | $		14,200	$ 2,600		$ 2,600
Net proceeds | $		$ 435,800
Repurchased amount | $	$ 225,000
Loss on extinguishment of debt | $	$ 17,700
Initial conversion price (in dollars per share) | $ / shares		$ 39.16
Remaining discount amortization period					2 years 6 months 14 days
Convertible Notes | 1.75% convertible senior notes due 2025 | Conversion Term (i)
Debt Instrument [Line Items]
Threshold trading days		5
Threshold consecutive trading days		5
Threshold percent of stock price trigger		98.00%
Convertible Notes | 1.75% convertible senior notes due 2025 | Conversion Term (ii)
Debt Instrument [Line Items]
Threshold trading days		45
Threshold consecutive trading days		10
Threshold percent of stock price trigger		10.00%
Convertible Notes | 1.75% convertible senior notes due 2025 | Conversion Term (iii)
Debt Instrument [Line Items]
Threshold trading days following fundamental change		30
Convertible Notes | 1.75% convertible senior notes due 2025 | Conversion Term (iv)
Debt Instrument [Line Items]
Threshold trading days		20
Threshold consecutive trading days		30
Threshold percent of stock price trigger		130.00%

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