Fair Value Measurements (Details) - Schedule of Assets and Liabilities Measured at Fair Value - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023 |
Non-recurring fair value measurements: | | | |
Non-recurring fair value measurements | | $ 8,288 | $ 9,684 |
Level 1 [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | | |
Level 3 [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | | |
Fair Value, Recurring [Member] | | | |
Recurring fair value measurements: | | | |
Cash equivalents | | 12,972 | 50,226 |
Other assets—seed capital (WisdomTree Digital Funds): | | | |
Total | | 82,755 | 108,948 |
Fair Value, Recurring [Member] | Level 1 [Member] | | | |
Recurring fair value measurements: | | | |
Cash equivalents | | 12,972 | 50,226 |
Other assets—seed capital (WisdomTree Digital Funds): | | | |
Total | | 66,749 | 92,752 |
Fair Value, Recurring [Member] | Level 2 [Member] | | | |
Recurring fair value measurements: | | | |
Cash equivalents | | | |
Other assets—seed capital (WisdomTree Digital Funds): | | | |
Total | | 16,006 | 16,196 |
Fair Value, Recurring [Member] | Level 3 [Member] | | | |
Recurring fair value measurements: | | | |
Cash equivalents | | | |
Other assets—seed capital (WisdomTree Digital Funds): | | | |
Total | | | |
Fair Value, Recurring [Member] | U.S. treasuries [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | 5,223 | 5,007 |
Fair Value, Recurring [Member] | U.S. treasuries [Member] | Level 1 [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | | |
Fair Value, Recurring [Member] | U.S. treasuries [Member] | Level 2 [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | 5,223 | 5,007 |
Fair Value, Recurring [Member] | U.S. treasuries [Member] | Level 3 [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | | |
Fair Value, Recurring [Member] | Equity Securities [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | 7,641 | 6,337 |
Fair Value, Recurring [Member] | Equity Securities [Member] | Level 1 [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | 7,641 | 6,337 |
Fair Value, Recurring [Member] | Equity Securities [Member] | Level 2 [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | | |
Fair Value, Recurring [Member] | Equity Securities [Member] | Level 3 [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | | |
Fair Value, Recurring [Member] | Fixed Income Investments [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | 1,901 | 1,957 |
Fair Value, Recurring [Member] | Fixed Income Investments [Member] | Level 1 [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | 1,010 | 1,008 |
Fair Value, Recurring [Member] | Fixed Income Investments [Member] | Level 2 [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | 891 | 949 |
Fair Value, Recurring [Member] | Fixed Income Investments [Member] | Level 3 [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | | |
Fair Value, Recurring [Member] | ETFs [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | 45,126 | 35,181 |
Fair Value, Recurring [Member] | ETFs [Member] | Level 1 [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | 45,126 | 35,181 |
Fair Value, Recurring [Member] | ETFs [Member] | Level 2 [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | | |
Fair Value, Recurring [Member] | ETFs [Member] | Level 3 [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | | |
Fair Value, Recurring [Member] | Pass-through GSEs [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | 9,892 | 10,240 |
Fair Value, Recurring [Member] | Pass-through GSEs [Member] | Level 1 [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | | |
Fair Value, Recurring [Member] | Pass-through GSEs [Member] | Level 2 [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | 9,892 | 10,240 |
Fair Value, Recurring [Member] | Pass-through GSEs [Member] | Level 3 [Member] | | | |
Financial instruments owned, at fair value: | | | |
Financial instruments owned, at fair value | | | |
Fair Value, Nonrecurring [Member] | | | |
Non-recurring fair value measurements: | | | |
Non-recurring fair value measurements | | | 9,684 |
Fair Value, Nonrecurring [Member] | Level 1 [Member] | | | |
Non-recurring fair value measurements: | | | |
Non-recurring fair value measurements | | | |
Fair Value, Nonrecurring [Member] | Level 2 [Member] | | | |
Non-recurring fair value measurements: | | | |
Non-recurring fair value measurements | | | |
Fair Value, Nonrecurring [Member] | Level 3 [Member] | | | |
Non-recurring fair value measurements: | | | |
Non-recurring fair value measurements | | | 9,684 |
Fnality International Limited—Series B-1 Preference Shares [Member] | Fair Value, Nonrecurring [Member] | | | |
Non-recurring fair value measurements: | | | |
Non-recurring fair value measurements | [1] | 8,288 | |
Fnality International Limited—Series B-1 Preference Shares [Member] | Fair Value, Nonrecurring [Member] | Level 1 [Member] | | | |
Non-recurring fair value measurements: | | | |
Non-recurring fair value measurements | [1] | | |
Fnality International Limited—Series B-1 Preference Shares [Member] | Fair Value, Nonrecurring [Member] | Level 2 [Member] | | | |
Non-recurring fair value measurements: | | | |
Non-recurring fair value measurements | [1] | | |
Fnality International Limited—Series B-1 Preference Shares [Member] | Fair Value, Nonrecurring [Member] | Level 3 [Member] | | | |
Non-recurring fair value measurements: | | | |
Non-recurring fair value measurements | [1] | $ 8,288 | |
Fnality International Limited—B-One Preference Shares [Member] | Fair Value, Nonrecurring [Member] | | | |
Non-recurring fair value measurements: | | | |
Non-recurring fair value measurements | [2] | | 9,684 |
Fnality International Limited—B-One Preference Shares [Member] | Fair Value, Nonrecurring [Member] | Level 1 [Member] | | | |
Non-recurring fair value measurements: | | | |
Non-recurring fair value measurements | [2] | | |
Fnality International Limited—B-One Preference Shares [Member] | Fair Value, Nonrecurring [Member] | Level 2 [Member] | | | |
Non-recurring fair value measurements: | | | |
Non-recurring fair value measurements | [2] | | |
Fnality International Limited—B-One Preference Shares [Member] | Fair Value, Nonrecurring [Member] | Level 3 [Member] | | | |
Non-recurring fair value measurements: | | | |
Non-recurring fair value measurements | [2] | | 9,684 |
Other Investments [Member] | Fair Value, Nonrecurring [Member] | | | |
Non-recurring fair value measurements: | | | |
Non-recurring fair value measurements | [3] | | |
Other Investments [Member] | Fair Value, Nonrecurring [Member] | Level 1 [Member] | | | |
Non-recurring fair value measurements: | | | |
Non-recurring fair value measurements | [3] | | |
Other Investments [Member] | Fair Value, Nonrecurring [Member] | Level 2 [Member] | | | |
Non-recurring fair value measurements: | | | |
Non-recurring fair value measurements | [3] | | |
Other Investments [Member] | Fair Value, Nonrecurring [Member] | Level 3 [Member] | | | |
Non-recurring fair value measurements: | | | |
Non-recurring fair value measurements | [3] | | |
| |
[1]Fair value determined on June 17, 2024.[2]Fair value determined on October 31, 2023.[3]Fair value determined on September 30, 2023. | |