Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt and Lines of Credit - Schedule of Long-term Debt, Net of Current Portion (Details)

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Long-Term Debt and Lines of Credit - Schedule of Long-term Debt, Net of Current Portion (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Sep. 30, 2021
Debt Instrument [Line Items]    
Less current portion $ 3,035 $ 4,285
Deferred Financing Costs, Net 781 986
Met Fixed-Rate Term Loans    
Debt Instrument [Line Items]    
Principal 70,000 70,000
Deferred Financing Costs, Net 456 524
Met Variable-Rate Term Loans    
Debt Instrument [Line Items]    
Principal 20,313 38,094
Deferred Financing Costs, Net 120 241
Met Citree Term Loan    
Debt Instrument [Line Items]    
Principal 4,075 4,263
Deferred Financing Costs, Net 28 31
Pru Loans A & B    
Debt Instrument [Line Items]    
Principal 13,067 13,937
Deferred Financing Costs, Net 177 190
Term Loans and PRU Loans    
Debt Instrument [Line Items]    
Principal 107,455 126,294
Less current portion 3,035 4,285
Long-term debt 104,420 122,009
Deferred Financing Costs, Net $ 781 $ 986