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v3.21.1

Basis of Presentation (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Finite-Lived Intangible Assets [Line Items] |  |
Impairment of long-lived assets to be disposed of |  | $ 0
COVID-19 |  |
Finite-Lived Intangible Assets [Line Items] |  |
Goodwill and intangible asset impairment | $ 0 | $ 0
Minimum |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible asset, useful life | 1 year |
Maximum |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible asset, useful life | 20 years |

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- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2611-110228 + Details
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