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Summary of Significant Accounting Policies - Goodwill and Indefinite-Lived Intangibles (Details) | 12 Months Ended
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Dec. 31, 2020 number
Annual Goodwill Impairment Assessment [Abstract] |
Number of Reporting Units | 6
Number of reporting units that have goodwill | 3
Number of Reportable Segments | 3

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- Definition Goodwill Impairment Assessment [Abstract] + References No definition available. + Details
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- Definition Number of reporting units that have goodwill + References No definition available. + Details
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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=120311839&loc=d3e8672-108599 + Details
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- Definition Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. + References No definition available. + Details
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