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Fair Value Measurements - Schedule of Aggregate Fair Value of Series A Preferred Share Tranche Obligation using Level 3 Inputs (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 USD ($)
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Change in fair value | $ 1,350
Series A Preferred Share Tranche Obligation | Level 3 Inputs |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning balance | 2,490
Change in fair value | 1,350
Tranche 2 settlement of obligation | (880)
Tranche 3 termination | $ (2,960)

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- Definition Amount of increase (decrease) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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