Debt - Narrative (Details)		3 Months Ended		6 Months Ended
	Apr. 05, 2021 $ / shares shares	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) tradingDay businessDay	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Mar. 25, 2021 USD ($)	Oct. 20, 2020 USD ($)	Jul. 23, 2018 USD ($)
Debt Instrument [Line Items]
Cash, cash equivalents, and restrict cash balance		$ 121,264,000	$ 408,201,000	$ 121,264,000	$ 408,201,000	$ 242,246,000	$ 718,281,000
Repayments of Senior Debt				183,019,000	0
Gain on extinguishment of convertible senior notes		(20,083,000)	0	(62,353,000)	0
Adjustments to additional paid in capital, convertible debt, capped call transaction		62,647,000		$ 62,647,000
Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Conversion price, percentage				98.00%
1.75% Convertible Senior Notes due 2023
Debt Instrument [Line Items]
Aggregated principal amount		23,512,000		$ 23,512,000
0% Convertible Senior Notes due 2025
Debt Instrument [Line Items]
Aggregated principal amount		270,706,000		270,706,000
0.5% Convertible Senior Notes Due 2027
Debt Instrument [Line Items]
Aggregated principal amount		575,000,000		575,000,000
Senior Notes
Debt Instrument [Line Items]
Amortization of debt issuance costs		1,904,000	1,288,000	4,657,000	2,575,000
Interest expense, debt		$ 822,000	822,000	$ 1,644,000	1,644,000
Senior Notes | 1.75% Convertible Senior Notes due 2023
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		1.75%		1.75%
Amortization of debt issuance costs		$ 38,000	38,000	$ 75,000	75,000
Interest expense, debt		103,000	103,000	206,000	206,000
Aggregated principal amount		23,512,000		23,512,000		23,512,000				$ 143,750,000
Repurchased face amount		120,238,000		120,238,000
Senior Notes | 0% Convertible Senior Notes due 2025
Debt Instrument [Line Items]
Amortization of debt issuance costs		1,306,000	690,000	3,462,000	1,380,000
Interest expense, debt		0	0	0	0
Aggregated principal amount		270,706,000		270,706,000		518,728,000			$ 661,250,000
Repurchase face amount during period		95,800,000		248,022,000
Repayments of Senior Debt		74,746,000		183,020,000
Gain on extinguishment of convertible senior notes		$ (20,082,000)		$ (62,352,000)
Senior Notes | 0.5% Convertible Senior Notes Due 2027
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		0.50%		0.50%
Amortization of debt issuance costs		$ 560,000	560,000	$ 1,120,000	1,120,000
Interest expense, debt		719,000	$ 719,000	1,438,000	$ 1,438,000
Aggregated principal amount		$ 575,000,000		$ 575,000,000		$ 575,000,000		$ 575,000,000
Common stock covered under capped calls (in shares) | shares	6,147,900
Senior Notes | Convertible Senior Notes | Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Threshold trading days | tradingDay				20
Threshold consecutive trading days | tradingDay				30
Threshold percentage of stock price trigger				130.00%
Senior Notes | Convertible Senior Notes | Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Threshold trading days | businessDay				5
Threshold consecutive trading days | tradingDay				5
Senior Notes | Minimum | 0.5% Convertible Senior Notes Due 2027 | Call Option | Capped Call Transaction
Debt Instrument [Line Items]
Capped call price (in dollars per share) | $ / shares	$ 93.53
Senior Notes | Maximum | 0.5% Convertible Senior Notes Due 2027 | Call Option | Capped Call Transaction
Debt Instrument [Line Items]
Capped call price (in dollars per share) | $ / shares	$ 138.56