Short-term Investments - Schedule of Available for Sale Short-term Investments by Major Security Type (Details) - USD ($) $ in Thousands |
Mar. 31, 2022 |
Dec. 31, 2021 |
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| Schedule Of Available For Sale Securities [Line Items] | ||
| Cost Total | $ 44,957 | $ 54,533 |
| Unrealized gains | 23 | 23 |
| Unrealized (losses) | (1,071) | (658) |
| Fair Value Total | 43,909 | 53,898 |
| Maturity by period Less than 1 year | 25,174 | 31,833 |
| Maturity by period 1 to 5 years | 18,735 | 22,065 |
| Commercial Paper | ||
| Schedule Of Available For Sale Securities [Line Items] | ||
| Cost Total | 21,443 | 37,549 |
| Unrealized gains | 19 | 17 |
| Unrealized (losses) | (725) | (570) |
| Fair Value Total | 20,737 | 36,996 |
| Maturity by period Less than 1 year | 16,683 | 31,833 |
| Maturity by period 1 to 5 years | 4,054 | 5,163 |
| U.S. Treasury Bills | ||
| Schedule Of Available For Sale Securities [Line Items] | ||
| Cost Total | 23,514 | 16,984 |
| Unrealized gains | 4 | 6 |
| Unrealized (losses) | (346) | (88) |
| Fair Value Total | 23,172 | 16,902 |
| Maturity by period Less than 1 year | 8,491 | |
| Maturity by period 1 to 5 years | $ 14,681 | $ 16,902 |
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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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