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Balance Sheet Components - Other Accrued Liabilities (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024 | Jun. 30, 2024 | Dec. 31, 2023
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Balance Sheet Components |  |  |  |
Reserves for refunds to insurance carriers | $ 9,700 | $ 11,276 | $ 16,465 | $ 23,245
Accrued charges for third-party testing | 17,188 | 12,321 |  |
Testing and laboratory materials from suppliers | 12,522 | 7,893 |  |
Marketing and corporate affairs | 16,572 | 16,548 |  |
Legal, audit and consulting fees | 84,747 | 54,208 |  |
Accrued shipping charges | 2,545 | 1,625 |  |
Sales and income tax payable | 6,535 | 4,416 |  |
Accrued third-party service fees | 8,945 | 9,046 |  |
Clinical trials and studies | 9,604 | 10,097 |  |
Operating lease liabilities, current portion | 13,056 | 10,168 |  |
Property and equipment purchases | 7,581 | 7,098 |  |
Other accrued expenses | 2,039 | 2,197 |  |
Total other accrued liabilities | $ 191,034 | $ 146,893 |  |

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