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CONSOLIDATED BALANCE SHEET COMPONENTS (Tables) | 12 Months Ended
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Dec. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Reconciliation of Cash, Cash Equivalents, and Restricted Cash | The reconciliation of cash, cash equivalents, and restricted cash was as follows:
| December 31, 2025 |  | December 31, 2024 |  | December 31, 2023
Cash and cash equivalents | $ | 792.6 |  |  | $ | 726.1 |  |  | $ | 656.3 |
Restricted cash, current | — |  |  | 1.6 |  |  | — |
Restricted cash, non-current | 0.8 |  |  | 0.7 |  |  | 1.8 |
Total cash, cash equivalents, and restricted cash | $ | 793.4 |  |  | $ | 728.4 |  |  | $ | 658.1 |
Schedule of Property, Equipment and Software, Net | Property, equipment, and software, net consisted of the following:
| Estimated Useful Lives |  | December 31, 2025 |  | December 31, 2024
Internal-use software and website development | 2 - 5 years |  | $ | 113.6 |  |  | $ | 94.6 |
Computer equipment and purchased software | 2 years |  | 2.8 |  |  | 4.7 |
Leasehold improvements | Shorter of useful life or remaining lease term |  | 1.1 |  |  | 0.7 |
Furniture and fixtures | 5 years |  | 0.8 |  |  | 0.5 |
Total property, equipment, and software |  |  | 118.3 |  |  | 100.5 |
Less accumulated depreciation and amortization |  |  | (74.9) |  |  | (63.6) |
Property, equipment, and software, net |  |  | $ | 43.4 |  |  | $ | 36.9 |
Schedule of Depreciation and Amortization Expense | The following table presents depreciation and amortization expense related to property, equipment, and software as well as the portion of amortization expense related to internal-use software and website development that is recorded within cost of revenue in the Consolidated Statements of Operations:
| Year Ended December 31,
| 2025 |  | 2024 |  | 2023
Depreciation and amortization expense | $ | 19.5 |  |  | $ | 19.6 |  |  | $ | 19.3 |
Amortization expense for internal-use software and website development | $ | 18.5 |  |  | $ | 17.8 |  |  | $ | 16.9 |
Schedule of Intangible Assets | Intangible assets, net consisted of the following:
|  | December 31, 2025 |  | December 31, 2024
|  | Gross Carrying Value |  | Accumulated Amortization |  | Net Carrying Value |  | Gross Carrying Value |  | Accumulated Amortization |  | Net Carrying Value
Content assets |  | $ | 43.1 |  |  | $ | (16.0) |  |  | $ | 27.1 |  |  | $ | 31.2 |  |  | $ | (7.6) |  |  | $ | 23.6 |
Developed technology |  | 8.4 |  |  | (8.4) |  |  | — |  |  | 8.4 |  |  | (7.5) |  |  | 0.9 |
Intangible assets |  | $ | 51.5 |  |  | $ | (24.4) |  |  | $ | 27.1 |  |  | $ | 39.6 |  |  | $ | (15.1) |  |  | $ | 24.5 |
Schedule of Capitalization of Content Assets and Amortization Expense for Intangible Assets | Capitalization of content assets and amortization expense for intangible assets were as follows:
| Year Ended December 31,
| 2025 |  | 2024 |  | 2023
Capitalization of content assets | $ | 12.4 |  |  | $ | 18.2 |  |  | $ | 6.2 |
Amortization expense for intangible assets | $ | 9.3 |  |  | $ | 5.5 |  |  | $ | 3.0 |
Schedule of Future Expected Amortization Expense for Intangible Assets | As of December 31, 2025, future expected amortization expense for intangible assets was as follows:
2026 | $ | 9.0 |
2027 | 7.6
2028 | 5.8
2029 | 3.9
2030 | 0.8
Total | $ | 27.1 |
Schedule of Contract Assets and Liabilities | Accounts receivable, net consisted of the following:
| December 31, 2025 |  | December 31, 2024 |  |
Billed accounts receivable, net of allowance for credit losses | $ | 58.0 |  |  | $ | 55.4 |  |  |
Unbilled accounts receivable | 7.4 |  |  | 4.3 |  |  |
Accounts receivable, net | $ | 65.4 |  |  | $ | 59.7 |  |  |

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