CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($)	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
CONSOLIDATED STATEMENTS OF CASH FLOWS
Net of offering cost		$ 3,462,099
Changes in operating assets and liabilities:
Receivables from brokers, dealers and clearing organizations	$ (579,271,721)
Payables to brokers, dealers and clearing organizations	$ 164,799,238

The increase (decrease) during the reporting period in the aggregate amount of obligations to be paid to the following types of related parties: a parent company and its subsidiaries; subsidiaries of a common parent; an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entities' management; an entity and its principal owners, management, or member of their immediate families; affiliates; or other parties with the ability to exert significant influence.

No definition available.

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