Document and Entity Information Document Information [Table] Class of Stock [Axis] Class of Stock [Domain] Common Stock [Member] Ordinary Shares ADR [Member] ADS Entity Addresses, Address Type [Axis] Address Type [Domain] Business Contact [Member] Business Contact Document Information [Line Items] Document Type Document Registration Statement Document Annual Report Document Period End Date Current Fiscal Year End Date Document Fiscal Year Focus Document Transition Report Document Shell Company Report Securities Act File Number Entity Registrant Name Entity Incorporation, State or Country Code Contact Personnel Name Entity Address, Address Line One Entity Address, City or Town Entity Address, Country Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Emerging Growth Company ICFR Auditor Attestation Flag Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction Document Accounting Standard Entity Shell Company Entity Central Index Key Document Fiscal Period Focus Amendment Flag Auditor Name Auditor Firm ID Auditor Location CONSOLIDATED BALANCE SHEETS Statement [Table] Statement [Line Items] Statement Assets [Abstract] ASSETS Assets, Current [Abstract] Current assets Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Restricted Cash and Cash Equivalents, Current Restricted cash Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable, net Other Receivables, Net, Current Amounts due from subsidiaries Amounts due from related party Inventory, Net Inventories Prepaid Expense and Other Assets, Current Prepayments and other current assets, net Total Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net Property and equipment, net Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Net carrying amount Goodwill Goodwill Carrying amounts of goodwill Operating Lease, Right-of-Use Asset Total operating lease right-of-use assets Operating lease right-of-use assets Deposits Assets, Noncurrent Long-term rental deposits Long-Term Investments Long-term investments Assets TOTAL ASSETS Liabilities and Equity [Abstract] LIABILITIES AND SHAREHOLDERS' DEFICIT Liabilities, Current [Abstract] Current Liabilities Short-Term Debt Short-term borrowings Accounts Payable, Current Accounts payable Contract with Customer, Liability, Current Advance from customers Operating Lease, Liability, Current Operating lease liabilities Operating lease liabilities, current Accrued Liabilities, Current Accrued expenses and other current liabilities Total Accrued expenses and other current liabilities Liabilities, Current Total current liabilities Operating Lease, Liability, Noncurrent Operating lease liabilities Operating lease liabilities, non-current Deferred Income Tax Liabilities, Net Deferred tax liabilities Unrecognized Tax Benefits Unrecognized tax benefits Liabilities TOTAL LIABILITIES Commitments and Contingencies Commitments and contingencies Equity, Attributable to Parent [Abstract] SHAREHOLDERS' DEFICIT Common Stock, Value, Issued Ordinary shares ($0.000067 par value; 750,000,000 shares authorized; 244,955,045 and 244,955,045 share issued as of December 31, 2024 and 2025, respectively; 220,668,763 and 217,063,339 shares outstanding as of December 31, 2024 and 2025, respectively) Ordinary shares Additional Paid in Capital Additional paid-in capital Treasury Stock, Common, Value Treasury shares (24,248,036 and 27,853,460 shares as of December 31, 2024 and 2025, respectively) Treasury shares, at cost The amount of statutory reserves. Statutory Reserves Statutory reserves Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Accumulated other comprehensive income Retained Earnings (Accumulated Deficit) Accumulated deficit Equity, Including Portion Attributable to Noncontrolling Interest Balance Balance TOTAL SHAREHOLDERS' DEFICIT Liabilities and Equity TOTAL LIABILITIES AND SHAREHOLDERS' DEFICIT Common Stock, Par or Stated Value Per Share Ordinary shares, par value (in dollars per share) Common Stock, Shares Authorized Ordinary shares, shares authorized Common Stock, Shares, Issued Ordinary shares, shares issued Common Stock, Shares, Outstanding Ending Balance (in shares) Beginning Balance (in shares) Ordinary shares, shares outstanding Treasury Stock, Common, Shares Treasury stock, shares CONSOLIDATED STATEMENTS OF OPERATIONS Product and Service [Axis] Product and Service [Domain] Product [Member] Product sales Service [Member] Services and others Revenue from Contract with Customer [Abstract] Revenues Revenue from Contract with Customer, Including Assessed Tax Revenues Total revenues Cost of Revenue [Abstract] Cost of revenues Cost of Goods and Services Sold Cost of goods sold Total cost of revenues Gross Profit Gross profit Gross profit Operating Expenses [Abstract] Operating expenses Represents the amount of costs incurred in operating and staffing the entity's fulfillment and customer service centers, including costs attributable to buying, receiving, inspecting, and warehousing inventories; picking, packaging, and preparing customer orders for shipment; payment processing and related transaction costs. Fulfillment Expense Fulfillment Selling and Marketing Expense Selling and marketing General and Administrative Expense General and administrative Amount of income (expense) classified as other. Other Operating Income (Expense) Other operating income, net Operating Expenses Total operating expenses Operating Income (Loss) Operating loss (Loss) / income from operations Income / (loss) from operations Interest and Dividend Income, Operating Interest income Interest Expense, Nonoperating Interest expense Other Nonoperating Income (Expense) Other income / (expense), net Other income, net Nonoperating Income (Expense) Total other income / (expense) Total other (loss) / income Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income / (loss) before income tax (Loss) / income before income tax Loss before income tax Income Tax Expense (Benefit) Income tax (expense) / benefit Income tax expense Income tax expense / (benefit) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net (loss) / income Net (loss) / income Net (loss) / income attributable to LightInTheBox Holding Co., Ltd. Earnings Per Share, Basic Net (loss) / income per ordinary share - basic (in dollars per share) Earnings Per Share, Diluted Net (loss) / income per ordinary share - diluted (in dollars per share) CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) / INCOME Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other comprehensive (loss) / income: Other comprehensive income loss: Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Foreign currency translation adjustment, net of nil income taxes Foreign currency translation adjustment, net of nil income tax Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Total comprehensive (loss) / income: Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive (loss) / income attributable to LightInTheBox Holding Co., Ltd. OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax Foreign currency translation adjustment, net of income taxes CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' DEFICIT Equity Components [Axis] Equity Component [Domain] Additional Paid-in Capital [Member] Additional Paid-in Capital Treasury Stock, Common [Member] Treasury Shares Represents information pertaining to statutory reserve. Statutory Reserve [Member] Statutory Reserves AOCI Attributable to Parent [Member] Other Comprehensive Income / (loss) Retained Earnings [Member] Accumulated Deficit Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Stock Issued During Period, Value, Restricted Stock Award, Gross Issuance of ordinary shares upon vesting of nonvested shares Stock Issued During Period, Shares, Restricted Stock Award, Gross Issuance of ordinary shares upon vesting of nonvested shares (in shares) APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Share-based compensation The amount of adjustments made to retained earnings (accumulated deficit), owing to exercise of options and employee transactions during the period. Adjustments to Retained earnings, Exercise of Options and Employee Transactions Exercise of options and employee transactions Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Exercised (in shares) Exercise of options and employee transactions (in shares) Stock Issued During Period, Value, Treasury Stock Reissued Sold of treasury shares Stock Issued During Period, Shares, Treasury Stock Reissued Issuance of ordinary shares from treasury shares (in shares) Sold of treasury shares (in shares) Stock Issued During Period, Value, Employee Stock Ownership Plan Treasury stock for ESOP Stock Issued During Period, Shares, Employee Stock Ownership Plan Treasury stock for ESOP (in shares) Stock Repurchased During Period, Value Repurchase of ordinary shares Repurchase of ordinary shares Stock Repurchased During Period, Shares Repurchase of ordinary shares (in shares) Repurchase of outstanding shares (in share) Amount appropriated from retained earnings to statutory reserves. Amount Appropriated To Statutory Reserves Appropriation to statutory reserves CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net (loss) / income to net cash (used in) / provided by operating activities: Adjustments to reconcile net income to net cash by operating activities The aggregate expense recognized in the current period that allocates the cost of tangible or intangible assets to periods that benefit from use of the assets. Excludes amortization of debt discount. Depreciation And Amortization Excluding Amortization Of Debt Discount Depreciation and amortization Gain (Loss) on Disposition of Property Plant Equipment Gain on disposal of property and equipment Share-Based Payment Arrangement, Noncash Expense Share-based compensation Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Unrealized foreign exchange gain / loss Amount of bad debt expense (reversal). Bad Debt Expense (reversal) Allowance for credit losses Investment Income, Interest Interest income Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns. Increase Decrease Unrecognized Tax Benefits Reversal of unrecognized tax benefits Amount of deferred income tax pertaining to income (loss) from continuing operations. Deferred Income Tax Deferred income tax Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Inventories Inventories Increase (Decrease) in Prepaid Expense and Other Assets Prepayments and other current assets Prepaid expenses and other current assets Increase (Decrease) in Deposits Outstanding Long-term rental deposits Increase (Decrease) in Other Noncurrent Assets Other non-current assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Contract with Customer, Liability Advance from customers Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accrued expenses and other current liabilities The increase (decrease) during the reporting period in the amount of operating lease right of use asset. Increase Decrease In Operating Lease Right Of Use Assets Operating lease right-of-use assets Increase (Decrease) in Operating Lease Liability Operating lease liabilities Net Cash Provided by (Used in) Operating Activities Net cash (used in) / provided by operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities Payments to Acquire Property, Plant, and Equipment Purchase of property and equipment The cash outflow associated with the acquisition of long-lived, land use right. Payments to Acquire Land Use Right Purchase of land use right The cash inflow from interest received on investments. Proceeds from Interest Received, Investing Activities Interest received Payments to Acquire Loans Receivable Loans to a third party Proceeds from Sale and Collection of Loans Receivable Repayment of loans by a third party Proceeds from Sale of Property, Plant, and Equipment Proceeds from disposal of property and equipment Payments to Acquire Long-Term Investments Payment for long-term investment Net Cash Provided by (Used in) Investing Activities Net cash (used in) / provided by investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities Proceeds from Short-Term Debt Proceeds from short-term borrowings Repayments of Short-Term Debt Repayment of short-term borrowings Repayments of Debt Principal repayment of finance leases Proceeds from Sale of Treasury Stock Issuance of ordinary shares from treasury shares Payments for Repurchase of Common Stock Repurchase of ordinary shares Net Cash Provided by (Used in) Financing Activities Net cash used in financing activities Net cash used in financing activities Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Net increase /(decrease) in cash and cash equivalents Net (decrease) / increase in cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Effect of exchange rate changes on cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Cash, cash equivalents and restricted cash at end of year Cash, cash equivalents and restricted cash at beginning of year Total cash, cash equivalents and restricted cash Cash and cash equivalents and restricted cash Reconciliation of cash and cash equivalents and restricted cash to the consolidated balance sheets. Reconciliation Of Cash And Cash Equivalents And Restricted Cash To The Consolidated Balance Sheets [Abstract] Reconciliation of cash, cash equivalents and restricted cash to the consolidated balance sheets: Restricted Cash Restricted cash Supplemental Cash Flow Information [Abstract] Supplemental cash flow information: Income Taxes Paid, Net Income tax refunded / (paid) Interest Paid, Excluding Capitalized Interest, Operating Activities Interest expense paid Other Noncash Investing and Financing Items [Abstract] Noncash investing activities: Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Operating lease right-of-use assets obtained in exchange for new operating lease liabilities