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Intangible Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 30, 2020
Intangible Assets    
Gross carrying amount - trade names $ 44,087 $ 44,087
Gross carrying amount - liquor licenses 120 120
Gross carrying amount - reacquired franchise rights 12,218 12,218
Accumulated Amortization 5,199 4,866
Intangible assets, net $ 56,425 $ 56,425