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Credit Facility and Acquisition Debt (Long-term Debt Table) (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Debt Instrument [Line Items]    
Less: current portion $ (583) $ (521)
Total acquisition debt, net of current portion 3,891 3,979
Accumulated amortization, debt issuance costs 1,508 1,324
Credit Agreement | Revolving Credit Facility    
Debt Instrument [Line Items]    
Debt issuance costs, net of accumulated amortization of $86 and $155, respectively (1,699)  
Revolving Credit Facility | Credit Agreement 2018    
Debt Instrument [Line Items]    
Long-term Debt 175,200 155,400
Revolving Credit Facility | Credit Agreement    
Debt Instrument [Line Items]    
Debt issuance costs, net of accumulated amortization of $86 and $155, respectively   (1,543)
Term Loan | Credit Agreement    
Debt Instrument [Line Items]    
Long-term Debt 173,501 153,857
Acquisition debt | Notes Payable, Other Payables    
Debt Instrument [Line Items]    
Long-term Debt $ 4,474 $ 4,500