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Other Long-Term Liabilities - Components (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Other long-term liabilities    
Sale-leaseback arrangement $ 17,285 $ 17,447
Accrual for insurance liabilities 2,131 2,528
Deferred rent 415 461
Total other long-term liabilities $ 19,831 $ 20,436