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Long-Term Debt - Narrative (Details) - USD ($)
Sep. 25, 2019
Sep. 30, 2021
Apr. 30, 2021
Debt Instrument [Line Items]      
Debt financing fees   $ 1,667,000  
2019 Credit Agreement      
Debt Instrument [Line Items]      
Debt financing fees     $ 300,000
2019 Credit Agreement | Secured Debt      
Debt Instrument [Line Items]      
Debt instrument, face amount $ 210,000,000    
Effective interest rate   2.334%  
2019 Credit Agreement | Secured Debt | Year One      
Debt Instrument [Line Items]      
Percentage of original principal amount 1.00%    
2019 Credit Agreement | Secured Debt | Year Two      
Debt Instrument [Line Items]      
Percentage of original principal amount 2.50%    
2019 Credit Agreement | Secured Debt | Year Three      
Debt Instrument [Line Items]      
Percentage of original principal amount 5.00%    
2019 Credit Agreement | Secured Debt | Year Four      
Debt Instrument [Line Items]      
Percentage of original principal amount 7.50%    
2019 Credit Agreement | Secured Debt | Year Five      
Debt Instrument [Line Items]      
Percentage of original principal amount 10.00%    
2019 Credit Agreement | Line of Credit | Revolving Credit Facility      
Debt Instrument [Line Items]      
Line of credit facility, maximum borrowing capacity $ 40,000,000    
Line of credit facility, additional borrowing capacity     $ 50,000,000
Effective interest rate   2.334%  
Line of credit facility, commitment fee percent 0.40%    
Line of credit facility, remaining borrowing capacity   $ 50,100,000  
2019 Credit Agreement | Line of Credit | Letter of Credit      
Debt Instrument [Line Items]      
Line of credit facility, maximum borrowing capacity $ 15,000,000    
2019 Credit Agreement | Line of Credit | Bridge Loan      
Debt Instrument [Line Items]      
Line of credit facility, maximum borrowing capacity $ 5,000,000