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Segment Reporting - Narrative (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) segment | Jun. 30, 2020 USD ($)
Segment Reporting Information [Line Items] |  |  |  |
Number of reportable segments | segment |  |  | 4 |
Stock compensation expense | $ 4,707 | $ 2,227 | $ 8,221 | $ 4,014
Transition, Separation And Release Agreement |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Stock compensation expense | $ 4,300 |  | $ 5,800 |

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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599 + Details
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