Stockholders' Equity - Schedule of Common Stock for Future Issuance (Details) - shares shares in Thousands	Sep. 30, 2024	Dec. 31, 2023
Class of Stock [Line Items]
Common stock shares reserved for future issuance (in shares)	187,873	175,012
Stock options outstanding
Class of Stock [Line Items]
Common stock shares reserved for future issuance (in shares)	32,160	40,159
Restricted Stock Units (“RSUs”) outstanding
Class of Stock [Line Items]
Common stock shares reserved for future issuance (in shares)	36,467	39,846
Performance Shares | Performance Stock Units (“PSUs”)
Class of Stock [Line Items]
Common stock shares reserved for future issuance (in shares)	2,304	905
Performance Shares | CEO Long-Term Performance Award
Class of Stock [Line Items]
Common stock shares reserved for future issuance (in shares)	0	11,500
2020 Equity Incentive Plan
Class of Stock [Line Items]
Common stock shares reserved for future issuance (in shares)	95,773	66,114
2020 Employee Stock Purchase Plan
Class of Stock [Line Items]
Common stock shares reserved for future issuance (in shares)	20,855	16,075
Stock warrants outstanding
Class of Stock [Line Items]
Common stock shares reserved for future issuance (in shares)	264	264
Unregistered stock awards (“RSAs”) outstanding
Class of Stock [Line Items]
Common stock shares reserved for future issuance (in shares)	50	149