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Long-Term Debt - Summary of Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Face value of long-term debt $ 20,000 $ 57,500
Less: current maturities of long-term debt 0 0
Long-term debt 20,000 57,500
Prior Credit Facility    
Debt Instrument [Line Items]    
Face value of long-term debt $ 0 $ 57,500