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Credit Agreement (Details) - Line of Credit
 12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Sep. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Dec. 31, 2019
USD ($)
Line of Credit Facility [Line Items]          
Weighted average interest rate 5.02% 2.65%      
Revolving Credit Facility          
Line of Credit Facility [Line Items]          
Credit facility, borrowing capacity   $ 100,000,000      
Maximum borrowing capacity $ 150,000,000        
EBITDA To Fixed Charge Coverage Ratio 1.15        
Total Net Leverage Ratio 3.25        
Maximum total net leverage ratio 3.75        
Default to other indebtedness $ 5,000,000        
Allowable indebtedness for acquisition     $ 36,000,000    
Line of credit facility, remaining borrowing capacity 87,100,000 66,000,000      
Commitment fee 300,000 300,000      
Deferred financing costs incurred         $ 600,000
Deferred financing costs net of accumulated amortization $ 300,000 $ 400,000      
Letter of Credit          
Line of Credit Facility [Line Items]          
Letters of credit     $ 40,000,000 $ 15,000,000  
Letter of Credit | Minimum          
Line of Credit Facility [Line Items]          
Commitment fee percentage 0.15%        
Letter of Credit | Maximum          
Line of Credit Facility [Line Items]          
Commitment fee percentage 0.30%