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Other Long-term Liabilities Other Long-term Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Other Liabilities, Noncurrent [Abstract]    
Long-term deferred rent $ 4,347 $ 3,428
Unfavorable leases 1,843 2,298
Other 737 1,313
Total other long-term liabilities $ 6,927 $ 7,039