Description of Business and Significant Accounting Policies (Details)				1 Months Ended		12 Months Ended
	Apr. 13, 2021 USD ($) $ / shares shares	Dec. 16, 2020 USD ($) $ / shares shares	Nov. 30, 2020 shares	Mar. 31, 2021 USD ($)	Apr. 30, 2020 USD ($)	Dec. 31, 2022 USD ($) component segment	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Short-term Debt [Line Items]
Number of reportable segments | segment						1
Offering price per share (in dollars per share) | $ / shares	$ 120.00
Net proceeds from sale of stock	$ 263,900,000
Underwriting discount	11,000,000
Offering expense	$ 1,000,000
Impairments of long-lived assets						$ 0	$ 0
Number of revenue components | component						2
Non-marketable equity securities						$ 41,250,000	40,000,000
Period of payment deferral					6 months
Repayments of debt						400,898,000	71,316,000	$ 148,113,000
Paycheck Protection Program Loan, CARES Act
Short-term Debt [Line Items]
Aggregate principal amount					$ 5,300,000
Stated interest rate					1.00%
Repayments of debt				$ 5,300,000
Convertible senior notes
Short-term Debt [Line Items]
Convertible notes payable						649,900,000	646,900,000
Convertible senior notes | Fair Value, Inputs, Level 2
Short-term Debt [Line Items]
Fair value of convertible senior notes						$ 364,800,000	$ 627,500,000
Computer and networking equipment
Short-term Debt [Line Items]
Estimated useful lives						3 years
Furniture and fixtures
Short-term Debt [Line Items]
Estimated useful lives						3 years
Internally developed software
Short-term Debt [Line Items]
Estimated useful lives						3 years
Series B
Short-term Debt [Line Items]
Shares of preferred stock purchased (in shares) | shares			600,208
Common Stock
Short-term Debt [Line Items]
Preferred stock converted to common stock (in shares) | shares		600,208
Convertible preferred stock converted to common stock (in shares) | shares		47,349,577
IPO
Short-term Debt [Line Items]
Shares sold in offering | shares		9,000,000
Offering price per share (in dollars per share) | $ / shares		$ 20.00
Net proceeds from sale of stock		$ 167,400,000
Underwriting discount		12,600,000
Deferred offering costs		$ 7,900,000
Public Stock Offering
Short-term Debt [Line Items]
Shares sold in offering | shares	2,300,000
Over-Allotment Option
Short-term Debt [Line Items]
Shares sold in offering | shares	300,000