Restaurant Closure Costs and Impairment of Long-Lived Assets (Schedule of Impairment Charges) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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Restaurant Closure Costs and Impairment of Long-Lived Assets [Abstract] | |||
Lease termination and other restaurant closure costs | $ 40,522 | $ 3,284 | $ 17,394 |