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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Sep. 30, 2017
--- | --- | ---
Deferred tax assets: |  |
Deferred retirement benefits | $ 1,114 | $ 1,712
Investment in Citree | 89 | 45
Deferred gain recognition | 6,318 | 10,199
Goodwill | 20,095 | 33,233
Inventories | 711 | 6,435
Stock compensation | 261 | 292
Accrued bonus | 612 | 248
Capital loss carryforwards | 0 | 9,462
Tax credits | 28 | 293
Net operating losses | 0 | 3,160
Intangibles | 620 | 1,027
Other | 190 | 332
Total deferred tax assets | 30,038 | 66,438
Deferred tax liabilities: |  |
Revenue recognized from citrus and sugarcane | 162 | 357
Property and equipment | 54,925 | 91,995
Accrual-to-cash method | 0 | 950
Prepaid insurance | 104 | 220
Investment in Magnolia | 0 | 24
Total deferred tax liabilities | 55,191 | 93,546
Net deferred income tax liabilities | $ (25,153) | $ (27,108)

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