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Stockholders' Equity, Preferred and Common Stock (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Common Stock [Abstract] |  |  |
Common stock, shares authorized to issue (in shares) | 300,000,000 | 300,000,000 |
Common stock, shares issued (in shares) | 141,210,015 | 140,365,594 |
Common stock, shares outstanding (in shares) | 141,210,015 | 140,365,594 |
Net proceeds from stock option exercises, vesting of restricted stock units, and ESPP purchases | $ 11,565 | $ 52,036 | $ 119,657
Preferred Stock [Member] |  |  |
Preferred Stock [Abstract] |  |  |
Preferred stock, shares authorized (in shares) | 15,000,000 |  |
Preferred stock, shares outstanding (in shares) | 0 |  |
Series C Junior Participating Preferred Stock [Member] |  |  |
Preferred Stock [Abstract] |  |  |
Preferred stock, shares issued (in shares) | 0 |  |
Preferred stock, shares outstanding (in shares) | 0 |  |
Common Stock [Member] |  |  |
Common Stock [Abstract] |  |  |
Common stock, shares authorized to issue (in shares) | 300,000,000 | 300,000,000 |
Common stock, shares issued (in shares) | 141,200,000 | 140,400,000 |
Common stock, shares outstanding (in shares) | 141,200,000 | 140,400,000 |
Common shares reserved for future issuance (in shares) | 46,200,000 |  |
Number of shares issued for stock option exercises, vesting of restricted stock units, and ESPP purchases (in shares) | 1,100,000 | 1,700,000 | 3,100,000
Net proceeds from stock option exercises, vesting of restricted stock units, and ESPP purchases | $ 11,600 | $ 52,000 | $ 119,700

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