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Related Party Transactions - Summary of Accounts Receivable from Related Parties (Detail) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Related Party Transaction [Line Items]
Accounts receivable from related parties	$ 23,434	$ 24,670
WisdomTree Trust [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties	13,514	14,678
Manjer Issuers [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties	8,308	8,779
WisdomTree Multi Asset Issuer PLC And WisdomTree Issuer PLC [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties	1,340	951
WisdomTree Asset Management Canada, Inc [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties	201	167
WisdomTree Commodity Services LLC [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties	$ 71	$ 95

X

- Definition

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

+ References

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-Publisher FASB
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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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