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Related Party Transactions - Summary of Accounts Receivable from Related Parties (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Accounts receivable from related parties	$ 23,420	$ 25,667
WisdomTree Trust [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties	11,191	14,765
Manjer Issuers [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties	10,678	9,036
WisdomTree Multi Asset Issuer PLC And WisdomTree Issuer PLC [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties	1,497	1,559
WisdomTree Asset Management Canada, Inc [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties		227
WisdomTree Commodity Services LLC [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties	$ 54	$ 80

X

- Definition

For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(3))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(a)(2))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(k)(1))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

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X

- 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.

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