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CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) Non-Cash Activities - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Other Significant Noncash Transactions [Line Items] |  |
Unrealized gain (loss) on available-for-sale securities | $ 1,789 | $ 4,117
Net change in accounts payable and accrued expenses related to purchases of property and equipment | 4,888 | (5,573)
Cash paid for income taxes, net of refunds | 53,995 | 60,772
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

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