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Consolidated Statements of Comprehensive Income/(Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net (loss)/income	$ (270)	$ 4,152	$ (22,158)	$ 15,455
Other comprehensive income/(loss)
Foreign currency translation adjustment	380	(293)	(138)	(35)
Other comprehensive income/(loss)	380	(690)	(305)	(432)
Comprehensive income/(loss)	$ 110	3,462	(22,463)	15,023
WisdomTree Asset Management Canada, Inc [Member]
Other comprehensive income/(loss)
Reclassification of foreign currency translation adjustment to other gains and losses, net			$ (167)
Wisdom Tree Japan Inc [Member]
Other comprehensive income/(loss)
Reclassification of foreign currency translation adjustment to other gains and losses, net		$ (397)		$ (397)

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