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Intangibles - Additional Information (Details) - USD ($) | 12 Months Ended
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Sep. 30, 2020 | Sep. 30, 2019
Finite Lived Intangible Assets [Line Items] |  |
Impairment charge of lease intangibles | $ 525,000 | $ 3,222,000
ApplianceSmart Inc | Customer Lists and Trade Names Intangible Asset [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Impairment charge of lease intangibles | $ 0 | $ 3,222,000

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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
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