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Acquisition and Dispositions - Acquisition of Citrus Grove - TRB (Details) |  | 12 Months Ended
--- | --- | ---
Sep. 04, 2014 USD ($) a | Sep. 30, 2015 USD ($) | Sep. 30, 2014 USD ($) | Sep. 30, 2013 USD ($)
Business Acquisition [Line Items] |  |  |  |
Gain on bargain purchase |  | $ 1,145,000 | $ 0 | $ 0
TRB |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Area of land acquired (in acres) | a | 1,500 |  |  |
Purchase price | $ 17,130,000 |  |  |
Fixed rate term loans | $ 11,000,000 |  |  |
TRB | Other Income (Expense), Net |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Gain on bargain purchase |  | 1,145,300 |  |
TRB | General and Administrative Expense |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Professional and legal costs |  | $ 525,000 |  |

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- Definition In a business combination in which the amount of net identifiable assets acquired and liabilities assumed exceeds the aggregate consideration transferred or to be transferred (as defined), this element represents the amount of gain recognized by the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6393-128476 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6527-128477 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (f)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6571-128477 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6387-128476 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6396-128476 + Details
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