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Long-Term Debt (Schedule of Long-Term Debt) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]    
Total debt $ 65,721 $ 48,349
Less: current portion of long-term debt (3,934) (3,907)
Less: deferred financing costs (1,376) (1,603)
Long-term debt 60,411 42,839
Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Total debt 39,480 18,204
Term Loan [Member]    
Debt Instrument [Line Items]    
Total debt 8,215 9,643
Notes [Member]    
Debt Instrument [Line Items]    
Total debt 17,000 19,000
Finance Leases [Member]    
Debt Instrument [Line Items]    
Total debt $ 1,026 $ 1,502