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
Mar. 31, 2022
Sep. 30, 2021
Debt Instrument [Line Items]    
Less current portion $ 4,285 $ 4,285
Deferred Financing Costs, Net 910 986
Met Fixed-Rate Term Loans    
Debt Instrument [Line Items]    
Principal 70,000 70,000
Deferred Financing Costs, Net 478 524
Met Variable-Rate Term Loans    
Debt Instrument [Line Items]    
Principal 36,656 38,094
Deferred Financing Costs, Net 221 241
Met Citree Term Loan    
Debt Instrument [Line Items]    
Principal 4,138 4,263
Deferred Financing Costs, Net 29 31
Pru Loans A & B    
Debt Instrument [Line Items]    
Principal 13,357 13,937
Deferred Financing Costs, Net 182 190
Term Loans and PRU Loans    
Debt Instrument [Line Items]    
Principal 124,151 126,294
Less current portion 4,285 4,285
Long-term debt 119,866 122,009
Deferred Financing Costs, Net $ 910 $ 986