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Debt (Details)
 1 Months Ended 3 Months Ended 6 Months Ended
Jan. 31, 2023
Nov. 30, 2022
USD ($)
installment
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Apr. 30, 2022
USD ($)
Oct. 31, 2021
USD ($)
Debt Instrument [Line Items]                  
Restricted cash, non-current     $ 7,833,000 $ 0 $ 7,833,000 $ 0 $ 4,306,000    
Interest expense     942,000 913,000 1,865,000 1,861,000      
AFCO Premium Credit LLC Insurance Premium Financing Agreement | Notes Payable, Other Payables                  
Debt Instrument [Line Items]                  
Debt instrument, face amount   $ 2,100,000              
Debt instrument, term   12 months              
Interest rate, stated percentage (in percent)   4.50%              
Down payment   $ 500,000              
Long-term debt   $ 1,500,000 500,000   500,000        
Periodic payment, number of quarterly installments | installment   3              
Revolving Credit Facility | City National Bank Revolving Credit Agreement | Line of Credit                  
Debt Instrument [Line Items]                  
Maximum borrowing capacity               $ 30,000,000 $ 9,500,000
Outstanding balance     7,800,000   7,800,000        
Outstanding amount available to be borrowed     $ 22,200,000   $ 22,200,000        
Weighted average interest rate (in percent)     7.10%   7.10%        
Interest expense     $ 100,000 $ 0 $ 200,000 $ 0      
Revolving Credit Facility | City National Bank Revolving Credit Agreement | Line of Credit | Secured Overnight Financing Rate (SOFR)                  
Debt Instrument [Line Items]                  
Basis spread on variable rate 2.00%