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Commitments and Contingencies (Details) - USD ($) $ in Thousands | Feb. 11, 2019 | Dec. 31, 2018 | Sep. 30, 2018
--- | --- | --- | ---
Loss Contingencies [Line Items] |  |  |
Outstanding commitments |  | $ 3,516 |
Financial Standby Letter of Credit |  |  |
Loss Contingencies [Line Items] |  |  |
Outstanding standby letters of credit |  | $ 10,300 | $ 10,300
Subsequent Event | Alico Settlement Agreement |  |  |
Loss Contingencies [Line Items] |  |  |
Gain contingency, annual consulting fee, term | 24 months |  |
Gain contingency, annual consulting fee | $ 0 |  |

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