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CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
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Statement of Financial Position [Abstract] |  |
Short term investments amortized cost | $ 454,767 | $ 474,663
Stockholders’ equity: |  |
Preferred stock designated Series A, par value (in dollars per share) | $ 0.001 | $ 0.001
Preferred stock designated Series A, shares authorized (in shares) | 10,000,000 | 10,000,000
Preferred stock designated Series A, shares issued (in shares) | 0 | 0
Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001
Common stock, shares authorized (in shares) | 500,000,000 | 500,000,000
Common stock, shares issued (in shares) | 292,494,000 | 292,167,000
Common stock, shares outstanding (in shares) | 246,154,000 | 245,888,000
Treasury stock, shares (in shares) | 46,340,000 | 46,279,000

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