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Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Total current portion of long-term debt $ 5,508 $ 5,031
Total long-term debt 194,927 215,334
Total Senior Credit Facilities 200,435 220,365
Term Loan    
Debt Instrument [Line Items]    
Current portion of long-term debt, Gross 5,545 5,073
Long-term debt, Gross 99,534 96,095
Total Senior Credit Facilities 105,079  
Term Loan And Revolving Credit Facility    
Debt Instrument [Line Items]    
Less: unamortized debt issuance costs (37) (42)
Less: unamortized debt issuance costs (4,368) (4,145)
Revolving Credit Facility    
Debt Instrument [Line Items]    
Long-term debt, Gross $ 99,761 $ 123,384