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CONSOLIDATED STATEMENTS OF CASH FLOWS Non-Cash Activities - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Other Significant Noncash Transactions [Line Items] |  |  |
Unrealized gain on available-for-sale securities | $ 1,984 | $ 411 | $ 8,938
Repurchases of common stock included in other current liabilities | 1,259 | 0 | 0
Net change in accounts payable and accrued expenses related to purchases of property and equipment | 8,373 | (9,448) | 678
Cash paid for income taxes, net of refunds | 71,438 | 71,973 | 96,176
Common Stock Issued to Board of Directors and Scientific Advisory Board that was Earned and Accrued for in Previous Period [Member] |  |  |
Other Significant Noncash Transactions [Line Items] |  |  |
Common stock issued to Board of Directors and Scientific Advisory Board that was earned and accrued for in a previous period | $ 300 | $ 300 | $ 300

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