Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v3.23.2
Fair Value Measurements (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Sep. 30, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets $ 13,353 $ 6,866
Corporate debt securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 4,532 2,537
Municipal government securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 1,842 1,055
Agency backed securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 1,147 793
Fair Value, Recurring | Fair Value, Inputs, Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total assets 37,847 32,772
Liabilities 898 661
Fair Value, Recurring | Fair Value, Inputs, Level 2 | Corporate debt securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 4,532 2,537
Fair Value, Recurring | Fair Value, Inputs, Level 2 | U.S. government securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 5,832 2,481
Fair Value, Recurring | Fair Value, Inputs, Level 2 | Municipal government securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 1,842 1,055
Fair Value, Recurring | Fair Value, Inputs, Level 2 | Agency backed securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 1,147 793
Fair Value, Recurring | Fair Value, Inputs, Level 2 | Commodity swap contracts    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 16 1,187
Liabilities 898 661
Fair Value, Recurring | Fair Value, Inputs, Level 2 | Interest rate swaps    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets $ 24,478 $ 24,719