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Debt - 2026 Convertible Notes (Details)		1 Months Ended	3 Months Ended		9 Months Ended
Debt - 2026 Convertible Notes (Details)	May 09, 2024 USD ($)	Feb. 28, 2020 USD ($) $ / shares	Sep. 30, 2024 USD ($) $ / shares	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) $ / shares	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($) $ / shares	Mar. 31, 2021 $ / shares
Debt Instrument [Line Items]
Net gain on extinguishment of debt			$ 0	$ 0	$ 10,267,000	$ 12,767,000
Class A voting common stock
Debt Instrument [Line Items]
Common stock, par value (in usd per share) \| $ / shares		$ 0.001	$ 0.001		$ 0.001		$ 0.001	$ 0.001
2026 Convertible Notes: \| Convertible Notes
Debt Instrument [Line Items]
Principal amount	$ 35,000,000.0	$ 400,000,000.0	$ 35,000,000		$ 35,000,000		$ 175,000,000
Stated rate (as percent)		0.25%
Total net proceeds		$ 344,700,000
Effective interest rate (as percent)		0.51%
Conversion price (in usd per share) \| $ / shares		$ 91.03
Repurchased face amount	140,000,000.0
Repayments of debt	$ 128,500,000
Net gain on extinguishment of debt					$ 10,300,000
2026 Convertible Notes: \| Convertible Notes \| Class A voting common stock
Debt Instrument [Line Items]
Conversion ratio		0.0109857