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Significant Condensed Consolidated Balance Sheet Components (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Significant Consolidated Balance Sheet Components [Abstract] |  |  |  |  |
Capitalized software development costs, net of accumulated amortization | $ 48.7 |  | $ 48.7 |  | $ 43.9
Capitalized software development costs | 7.9 | $ 8.9 | 25.7 | $ 25.8 |
Amortization of capitalized software | $ 7.3 | $ 5.7 | $ 20.9 | $ 16.0 |
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Accrued expenses and other current liabilities |  | Accrued expenses and other current liabilities |  | Accrued expenses and other current liabilities
Accrued expenses and other current liabilities including operating lease liabilities | $ 3.3 |  | $ 3.3 |  | $ 3.1
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other liabilities—noncurrent |  | Other liabilities—noncurrent |  | Other liabilities—noncurrent
Other liabilities noncurrent including operating lease liabilities | $ 7.1 |  | $ 7.1 |  | $ 9.6

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