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Summary of Significant Accounting Policies - Goodwill and Intangible Assets (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
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Accounting Policies [Abstract] |  |
Indefinite-lived intangible assets | $ 0 | $ 0

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- References No definition available. + Details
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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