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Significant Consolidated Balance Sheet Components - Prepaid Expense and Other Current Assets (Details) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
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Significant Consolidated Balance Sheet Components [Abstract] |  |
Prepaid expenses | $ 12.2 | $ 14.6
Mortgage loans held for sale | 7.1 | 2.6
Income taxes receivable | 9.9 | 0.3
Contract assets | 3.5 | 6.8
Certificate of deposit | 2.3 | 2.2
Other current assets | 0.4 | 1.7
Total prepaid expenses and other current assets | $ 35.4 | $ 28.2

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