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Summary of Significant Accounting Policies - Concentration of Credit Risk (Details) - Accounts Receivable - Credit Concentration Risk | 9 Months Ended | 12 Months Ended
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Sep. 30, 2025 | Dec. 31, 2024
Customer One |  |
Concentration Risk [Line Items] |  |
Concentration risk, percentage | 16.00% | 19.00%
Customer Two |  |
Concentration Risk [Line Items] |  |
Concentration risk, percentage | 11.00% | 11.00%

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