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Summary of Significant Accounting Policies Goodwill Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020
Accounting Policies [Abstract] |  |
Goodiwill written off | 24 months |
Fair value goodiwill written off | 24 months |
Goodwill, Impaired, Accumulated Impairment Loss | $ 14.5 | $ 14.5

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- Definition Minimum number of months from acquisition that a Company-operated restaurant is sold, after which goodwill written off is based on the relative fair value of the business sold compared to the reporting unit (defined as each individual country). + References No definition available. + Details
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- Definition Period of allotted time within the acquisition of a restaurant and then subsequent sale that the goodwill associated with the acquisition is written off in its entirety. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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