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Property and Equipment, Net - Asset Impairment (Details) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2017 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Feb. 02, 2017 USD ($) a | Nov. 21, 2014 USD ($) a
Property, Plant and Equipment [Line Items] |  |  |  |  |
Gain on sale of real estate and fixed assets | $ 2,181 | $ 618 | $ 13,590 |  |
Impairment loss | 5,215 |  |  |  |
Hendry County Florida |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Land held for sale (in acres) | a |  |  |  | 49 | 36,000
Net cash proceeds |  |  |  | $ 2,200 | $ 97,900
Gain on sale of real estate and fixed assets | $ 1,400 |  |  |  |

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- Definition The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.14(d)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2611-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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