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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

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