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Summary of Significant Accounting Policies (Principles of Consolidation) (Details)	Dec. 31, 2023 restaurant
Minimum | Equity method investment
Principles of Consolidation [Line Items]
Equity method investment, ownership percentage	20.00%
Maximum | Equity method investment
Principles of Consolidation [Line Items]
Equity method investment, ownership percentage	50.00%
Franchised units
Principles of Consolidation [Line Items]
Number of restaurants	291

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
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+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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