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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) | Apr. 30, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Dec. 31, 2016 | Jan. 01, 2016
--- | --- | --- | --- | --- | ---
Indefinite-lived Intangible Assets [Line Items] |  |  |  |  |
Goodwill, impairment loss | $ 0 |  |  |  |
Intangible asset related to its customary advisory agreement |  | $ 9,953,000 |  | $ 9,953,000 |
GreenHaven Commodity Services, LLC [Member] |  |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |  |
Intangible asset related to its customary advisory agreement |  | $ 9,953,000 | $ 9,953,000 |  | $ 9,953,000

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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266 Reference 3: 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 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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