Supplemental Financial Information - Assets and Liabilities Held for Sale (Details) $ in Thousands	12 Months Ended
Dec. 31, 2019 USD ($) restaurant
Assets
Current assets, total	$ 339
Current operating lease assets	1,408
Current assets held for sale	1,747
Liabilities
Current operating lease liabilities	1,710
Net assets held for sale	$ 37
Other information
Number of restaurants with write down related to sale \| restaurant	9
Write down related to assets held for sale	$ 3,600
RCRG Sale
Other information
Number of restaurants with write down related to sale \| restaurant	9
Write down related to assets held for sale	$ 3,600

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Number Of Restaurants With Write Down Related To Disposal

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Operating Lease Assets, Current, Held For Sale

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Operating Lease Liabilities, Current, Held For Sale

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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 other 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, before tax, of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a disposal group. Excludes discontinued operations.

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