Related Party Transactions (Narrative)(Details) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2017
USD ($)
Restaurant
|
Dec. 25, 2016
USD ($)
|
Dec. 27, 2015
USD ($)
|
|
| Related Party Transaction [Line Items] | |||
| Number of Restaurants | Restaurant | 6 | ||
| Management fees received | $ | $ 40 | $ 40 | $ 40 |
| X | ||||||||||
- Definition Number of Leased Restaurants No definition available.
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| X | ||||||||||
- Definition Revenue, comprised of base and incentive revenue derived from the management of joint ventures, managing third-party properties, or another entity's operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- 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. No definition available.
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