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Fair Value Measurements - ROU Lease Assets (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($)
Fair Value Disclosures [Abstract] |
Operating lease impairment loss | $ 1,750

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- Definition Amount of loss from impairment of right-of-use asset from operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 25 -Paragraph 6 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=123399704&loc=SL77918431-209957 + Details
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