Summary of Significant Accounting Policies - Impairment of Long-Lived Assets (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended |
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Sep. 30, 2021 |
Sep. 30, 2021 |
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| Summary of Significant Accounting Policies | ||
| Impairment losses on long-lived assets | $ 1,656 | $ 1,656 |
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- References No definition available.
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- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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