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Debt - Schedule of Long Term Debt (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Current Maturities:    
Finance lease obligations $ 69 $ 66
Term debt 15,000 15,000
Total Long-term debt, current maturities 15,069 15,066
Long-term debt:    
Finance lease obligations 45 87
Total Long-term debt 299,910 270,320
Total debt 314,979 285,386
Term Loan    
Long-term debt:    
Long-term debt, excluding current maturities 257,865 265,233
Line of Credit | Unsecured Debt    
Long-term debt:    
Long-term debt, excluding current maturities $ 42,000 $ 5,000