Supplemental Financial Information - Prepaid Expenses and Other Assets (Details) $ in Thousands	1 Months Ended
Jan. 31, 2022 restaurant	Mar. 29, 2022 USD ($)	Dec. 28, 2021 USD ($)
Supplemental Financial Information [Abstract]
Prepaid insurance		$ 224	$ 853
Prepaid occupancy related costs		51	73
Current assets held for sale		0	3,514
Prepaid expenses		3,349	2,272
Other current assets		155	125
Prepaid expenses and other assets		$ 3,779	$ 6,837
Number of restaurants divested \| restaurant	15

Number Of Restaurants Sold, Company Owned

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Prepaid Occupancy Expense, Current

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Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer.

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Amount of current assets classified as other.

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Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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