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Debt Obligations (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Debt Obligations    
Total principal amount $ 236,000 $ 226,483
Less-unamortized debt issuance costs (267) (348)
Total debt, net of unamortized debt issuance costs 235,733 226,135
Less-current portion   20,817
Total long-term portion of debt, net 235,733 205,318
Revolving credit facility    
Debt Obligations    
Total principal amount 70,000 28,000
Term loan    
Debt Obligations    
Total principal amount 135,000 150,000
Notes to former owners    
Debt Obligations    
Outstanding balance $ 31,000 $ 48,483