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Stockholders' Equity - Equity Incentive Plans (Narrative) (Details)	9 Months Ended
	Sep. 30, 2024 plan shares	Dec. 31, 2023 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity incentive plans | plan	4
Common stock, shares issued (in shares)	140,100,000	133,000,000.0
Common stock, shares outstanding (in shares)	140,100,000	133,000,000.0
Signal Sciences 2014 Equity Stock Options Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested stock options assumed (in shares)	251,754
2019 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares available for future issuance (in shares)	6,400,000	8,900,000

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