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Other Liabilities - Schedule of Other Liabilities (Long-term) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Other Liabilities Disclosure [Abstract]    
Lease guarantee contingency $ 10,724 $ 10,402
Environmental reserves 6,658 3,702
Supplemental executive retirement plan liability 1,776 2,026
Pension liability 956 1,207
Deferred gain on sale of assets   1,237
Other long-term liabilities 2,468 1,220
Other liabilities (long-term), Total $ 22,582 $ 19,794