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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Stockholders' equity: |  |
Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001
Common stock, shares authorized (in shares) | 300,000,000 | 300,000,000
Common stock, shares issued (in shares) | 146,025,246 | 144,340,526
Common stock, shares outstanding (in shares) | 146,025,246 | 144,340,526
0.125 Percent Convertible Senior Notes [Member] |  |
LIABILITIES AND STOCKHOLDERS' EQUITY |  |
Interest rate on convertible senior notes | 0.125% | 0.125%
1.75 Percent Convertible Senior Notes [Member] |  |
LIABILITIES AND STOCKHOLDERS' EQUITY |  |
Interest rate on convertible senior notes | 1.75% | 1.75%
0 Percent Convertible Senior Notes [Member] |  |
LIABILITIES AND STOCKHOLDERS' EQUITY |  |
Interest rate on convertible senior notes | 0.00% | 0.00%

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