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Debt - Narrative (Details) $ / shares in Units, $ in Thousands			12 Months Ended
	Mar. 25, 2021 USD ($) $ / shares shares	Mar. 24, 2020	Dec. 31, 2021 USD ($) tradingDay businessDay	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Oct. 20, 2020 USD ($)	Dec. 31, 2018 USD ($)	Jul. 23, 2018 USD ($)
Debt Instrument [Line Items]
Inventory			$ 358,221	$ 49,158
Cash, Cash Equivalents, Restricted Cash			718,281	945,820	$ 247,448		$ 439,055
Adjustments to additional paid in capital, convertible debt, capped call transaction			$ 62,647
Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Conversion price, percentage			98.00%
2023 notes
Debt Instrument [Line Items]
Aggregate Principal Amount			$ 23,512
2025 notes
Debt Instrument [Line Items]
Aggregate Principal Amount			661,250
2027 notes
Debt Instrument [Line Items]
Aggregate Principal Amount			575,000
Senior Notes
Debt Instrument [Line Items]
Amortization of debt issuance costs			(4,654)	(969)	(724)
Interest expense, debt			$ 2,600	2,113	2,516
Senior Notes \| 2023 notes
Debt Instrument [Line Items]
Stated Cash Interest Rate			1.75%
Amortization of debt issuance costs			$ (189)	(623)	(724)
Interest expense, debt			413	2,113	2,516
Aggregate Principal Amount			23,512	25,626				$ 143,750
Repurchased face amount			120,238
Senior Notes \| 2025 notes
Debt Instrument [Line Items]
Amortization of debt issuance costs			(2,760)	(346)	0
Interest expense, debt			0	0	0
Aggregate Principal Amount			$ 661,250	661,250		$ 661,250
Senior Notes \| 2027 notes
Debt Instrument [Line Items]
Stated Cash Interest Rate			0.50%
Amortization of debt issuance costs			$ (1,705)	0	0
Interest expense, debt			2,187	0	$ 0
Aggregate Principal Amount	$ 575,000		$ 575,000
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 percentage of stock price trigger			130.00%
Threshold consecutive trading days \| tradingDay			30
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 \| 2027 notes \| Call Option \| Capped Call Transaction
Debt Instrument [Line Items]
Strike and cap price (in dollars per share) \| $ / shares	$ 93.53
Senior Notes \| Maximum \| 2027 notes \| Call Option \| Capped Call Transaction
Debt Instrument [Line Items]
Strike and cap price (in dollars per share) \| $ / shares	$ 138.56
Warehouse Agreement Borrowings \| Western Alliance Bank
Debt Instrument [Line Items]
Stated Cash Interest Rate			3.00%
Warehouse Agreement Borrowings \| Western Alliance Bank \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			2.25%
Warehouse Agreement Borrowings \| Texas Capital Bank, N.A.
Debt Instrument [Line Items]
Stated Cash Interest Rate			2.95%
Debt instrument, decrease in rate of interest accruing on outstanding principal			0.25%
Warehouse Agreement Borrowings \| Flagstar Bank, FSB
Debt Instrument [Line Items]
Stated Cash Interest Rate			3.00%
Warehouse Agreement Borrowings \| Flagstar Bank, FSB \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			2.00%
Revolving Credit Facility
Debt Instrument [Line Items]
Total assets			$ 567,128	65,191
Inventory			337,630	47,620
Cash, Cash Equivalents, Restricted Cash			101,064	11,818
Amortization of debt issuance costs			(324)	(619)
Interest expense, debt			$ 3,946	$ 643
Revolving Credit Facility \| Goldman Sachs Bank USA \| Minimum
Debt Instrument [Line Items]
Debt instrument, floor rate of basis spread on variable rate		0.50%	0.30%
Revolving Credit Facility \| Goldman Sachs Bank USA \| Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			3.00%