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INCOME TAXES - Movement of Valuation Allowance (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Movement of the valuation allowance |  |  |
Balance at the beginning of the year | $ 18,262,801 | $ 11,307,489 | $ 5,224,095
Additions of valuation allowance | 6,576,529 | 7,372,595 | 7,192,373
Reversals of valuation allowance | (2,599,680) | (187,483) | (858,222)
Foreign currency translation adjustment | (316,294) | (229,800) | (250,757)
Net change in the valuation allowance | 3,660,555 | 6,955,312 | 6,083,394
Balance at the end of the year | $ 21,923,356 | $ 18,262,801 | $ 11,307,489

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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Namespace Prefix: | tigr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of additions in the valuation allowance for a specified deferred tax asset. + References No definition available. + Details
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Namespace Prefix: | tigr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Amount of foreign currency translations in the valuation allowance for a specified deferred tax asset. + References No definition available. + Details
Name: | tigr_ValuationAllowanceDeferredTaxAssetForeignCurrencyTranslationAmount
Namespace Prefix: | tigr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amount of reversals in the valuation allowance for a specified deferred tax asset. + References No definition available. + Details
Name: | tigr_ValuationAllowanceDeferredTaxAssetReversalsAmount
Namespace Prefix: | tigr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration