CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (DEFICIT) (Parenthetical)	12 Months Ended
Dec. 31, 2019 USD ($)
Statement Of Stockholders Equity [Abstract]
Offering costs	$ 3,462,099

Equity impact of direct costs (e.g., legal and accounting fees) associated with issuing stock.

No definition available.

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