Supplemental Consolidated Financial Statement Information - Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Other current liabilities
Accrued self-insurance reserves	$ 2,771	$ 2,423
Other accrued expenses and current liabilities	828	1,220
Total other current liabilities	$ 3,599	$ 3,643

Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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