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Fair Value Measurements - Contingent Consideration Liabilities (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($)
Contingent consideration liabilities measured at fair value |
Balance at beginning of period | $ 12,485
Balance at end of period | 8,267
Fair value | Level 3 |
Contingent consideration liabilities measured at fair value |
Balance at beginning of period | 12,485
Fair value adjustments included in operating expenses | (4,218)
Balance at end of period | $ 8,267

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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479 + Details
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