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Financial Instruments Owned (Details) - Schedule of Financial Instruments Owned - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financial instruments owned:
Financial instruments owned	$ 58,722	$ 126,239
Trading Securities [Member]
Financial instruments owned:
Financial instruments owned	45,421	124,474
Other assets—seed capital (WisdomTree Digital Funds) [Member]
Financial instruments owned:
Financial instruments owned	$ 13,301	$ 1,765

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- Definition

The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 940
-SubTopic 320
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481961/940-320-45-2

+ Details

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Balance Type:	debit
Period Type:	instant

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- References

No definition available.

+ Details

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Namespace Prefix:	wt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=wt_OtherAssetsseedCapitalWisdomTreeDigitalFundsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: