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Commitment and Contingencies (Details) $ in Thousands |  | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Aug. 26, 2016 USD ($) | Sep. 30, 2017 USD ($) member | Sep. 30, 2016 Members | Jun. 30, 2016 USD ($) | Jun. 30, 2017 USD ($) | Dec. 15, 2016 USD ($)
Commitments and Contingencies Disclosure [Abstract] |  |  |  |  |  |
Repurchase units, number |  | 0 | 0 |  |  |
Amended litigation settlement, amount |  |  |  |  |  | $ 1,938
Loss contingency, damages sought | $ 5,000 |  |  | $ 3,268 |  |
Floor Financing, Repurchase Obligations |  | $ 147,838 |  |  | $ 107,923 |
Financing Receivable, Gross |  | $ 687 |  |  | $ 0 |

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- Definition Amended Litigation Settlement, Amount + References No definition available. + Details
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- Definition Floor Financing, Repurchase Obligations + References No definition available. + Details
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- References No definition available. + Details
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- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14557-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349 + Details
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- Definition Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(3)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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