Long-Term Debt (Schedule of Long-Term Debt) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Other debt	$ 1,722
Financing leases		$ 21
Less unamortized issuance costs	(1,899)	(2,452)
Total	61,656	59,892
Less current maturities	(2,095)	(728)
Long-term debt	59,561	59,164
Revolving Credit Loan [Member] | Senior Secured Credit Facility [Member]
Debt Instrument [Line Items]
Long-term debt gross	43,458	43,458
Term Loan [Member] | Senior Secured Credit Facility [Member]
Debt Instrument [Line Items]
Long-term debt gross	$ 18,375	$ 18,865