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
Dec. 31, 2019
Nov. 30, 2019
Sep. 30, 2019
Debt Instrument [Line Items]      
Principal $ 156,317   $ 163,449
Deferred Financing Costs, Net 1,286   1,369
Less current portion 5,130   5,338
Long-term debt 151,187   158,111
Met Fixed-Rate Term Loans      
Debt Instrument [Line Items]      
Principal 88,125 $ 4,455 89,688
Deferred Financing Costs, Net 699   724
Met Variable-Rate Term Loans      
Debt Instrument [Line Items]      
Principal 43,125   43,844
Deferred Financing Costs, Net 321   334
Met Citree Term Loan      
Debt Instrument [Line Items]      
Principal 4,700   4,750
Deferred Financing Costs, Net 39   40
Pru Loans A & B      
Debt Instrument [Line Items]      
Principal 15,967   16,257
Deferred Financing Costs, Net 220   224
Pru Loan E      
Debt Instrument [Line Items]      
Principal 4,400   4,455
Deferred Financing Costs, Net 7   9
Pru Loan F      
Debt Instrument [Line Items]      
Principal 0   4,455
Deferred Financing Costs, Net $ 0   $ 38