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, 2019
Sep. 30, 2018
Debt Instrument [Line Items]    
Total future maturities $ 166,180 $ 174,349
Deferred Financing Costs, Net 1,416 1,563
Less current portion 5,325 5,275
Long-term debt 160,855 169,074
Met Fixed-Rate Term Loans    
Debt Instrument [Line Items]    
Total future maturities 91,250 95,938
Deferred Financing Costs, Net 752 836
Met Variable-Rate Term Loans    
Debt Instrument [Line Items]    
Total future maturities 44,563 46,719
Deferred Financing Costs, Net 346 385
Met Citree Term Loan    
Debt Instrument [Line Items]    
Total future maturities 4,800 4,925
Deferred Financing Costs, Net 41 44
Pru Loans A & B    
Debt Instrument [Line Items]    
Total future maturities 16,547 17,417
Deferred Financing Costs, Net 228 241
Pru Loan E    
Debt Instrument [Line Items]    
Total future maturities 4,510 4,675
Deferred Financing Costs, Net 11 17
Pru Loan F    
Debt Instrument [Line Items]    
Total future maturities 4,510 4,675
Deferred Financing Costs, Net $ 38 $ 40