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Long-term Debt - Narrative (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
May 26, 2016
Sep. 22, 2006
Debt Instrument        
Notes Payable, Noncurrent $ 156,561 $ 158,041    
BB&T Term Note Payable        
Debt Instrument        
Debt Instrument, Interest Rate, Effective Percentage 1.75%      
Notes Payable, Noncurrent     $ 5,200  
SBA Note Payable        
Debt Instrument        
Notes Payable, Noncurrent       $ 20,000
Debt Instrument, Interest Rate, Stated Percentage 1.55%      
150M Senior Notes        
Debt Instrument        
Debt Instrument, Interest Rate, Effective Percentage 6.25%