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Commitments, Contingencies, and Other (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Commitments and Contingencies Disclosure [Abstract]        
Health claim reinsurance limit per employee $ 50,000   $ 50,000  
Expense for self-insurance claims 412,000 $ 136,000 962,000 $ 594,000
Accrual for self-insurance claims $ 78,000   $ 78,000