SUBSEQUENT EVENT (Details) $ in Millions	Mar. 25, 2020 USD ($)
SUBSEQUENT EVENT
Maximum number of ADSs authorized to be repurchased	$ 20.0

Amount of program number of shares authorized tobe repurchased.

No definition available.

Name:	tigr_RepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix:	tigr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration