Fair Value Measurements - Fair Value of Financial Assets and Liabilities Measured on Recurring Basis (Details) - Fair Value Measurements Recurring - USD ($) $ in Thousands |
Sep. 30, 2020 |
Dec. 31, 2019 |
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Assets: | ||
Total | $ 280,755 | $ 131,664 |
Level 1 | ||
Assets: | ||
Total | 63,893 | 3,151 |
Level 2 | ||
Assets: | ||
Total | 216,862 | 128,513 |
Money Market Funds | ||
Assets: | ||
Total | 63,893 | 3,151 |
Money Market Funds | Level 1 | ||
Assets: | ||
Total | 63,893 | 3,151 |
Commercial Paper | ||
Assets: | ||
Total | 40,182 | 4,952 |
Commercial Paper | Level 2 | ||
Assets: | ||
Total | 40,182 | 4,952 |
Corporate Debt Securities | ||
Assets: | ||
Total | 42,480 | 69,499 |
Corporate Debt Securities | Level 2 | ||
Assets: | ||
Total | 42,480 | 69,499 |
Equity Securities | ||
Assets: | ||
Total | 78,872 | |
Equity Securities | Level 2 | ||
Assets: | ||
Total | 78,872 | |
Asset-backed Securities | ||
Assets: | ||
Total | 8,647 | 27,055 |
Asset-backed Securities | Level 2 | ||
Assets: | ||
Total | 8,647 | 27,055 |
U.S. Government Agency Securities | ||
Assets: | ||
Total | 46,681 | 27,007 |
U.S. Government Agency Securities | Level 2 | ||
Assets: | ||
Total | $ 46,681 | $ 27,007 |
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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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