Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Information [Table] Document Information [Table] Class of Stock [Axis] Class Of Stock [Domain] Class of Stock [Domain] Common Class A [Member] Class A common stock [Member] Common Class B [Member] Class B common stock [Member] Document Information [Line Items] Document Information [Line Items] Document Type Document Type Document Quarterly Report Document Period End Date Document Period End Date Document Transition Report Entity File Number Entity Registrant Name Entity Registrant Name Entity Tax Identification Number Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Ex Transition Period Entity Shell Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Current Fiscal Year End Date Current Fiscal Year End Date Entity Central Index Key Entity Central Index Key Amendment Flag Amendment Flag Condensed Consolidated Balance Sheets [Abstract] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Assets [Abstract] ASSETS Assets, Current [Abstract] Current Assets: Cash and cash equivalents Receivables Income Taxes Receivable, Current Income taxes receivable Inventory, Net Inventory, less reserves of $606 and $1,826, respectively Prepaid Expense and Other Assets, Current Prepaid expenses & other current assets Prepaid Catalog Costs Prepaid Catalog Costs Prepaid catalog costs Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net Operating Lease, Right-of-Use Asset Operating lease right-of-use assets Finance Lease, Right-of-Use Asset Finance lease right-of-use assets, net Restricted Cash and Cash Equivalents, Noncurrent Restricted cash Available-for-sale Securities Estimated Fair Value Available-for-sale security Other Assets, Noncurrent Other assets, net Assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities, Current [Abstract] Current liabilities: Trade accounts payable Accrued Liabilities and Other Liabilities Accrued expenses and other current liabilities Total accrued expenses and other current liabilities Taxes Payable, Current Income taxes payable Operating Lease, Liability, Current Current portion of operating lease liabilities Finance Lease, Liability, Current Current portion of finance lease liabilities Line of Credit, Current Current portion of Duluth long-term debt Notes Payable, Current Current maturities of TRI long-term debt Current maturities of TRI long-term debt Less: current maturities Current maturities of long-term debt Liabilities, Current Total current liabilities Operating Lease, Liability, Noncurrent Operating lease liabilities, less current maturities Deferred rent Finance Lease, Liability, Noncurrent Finance lease liabilities, less current maturities Long-term Line of Credit, Noncurrent Duluth long-term debt, less current maturities Notes and Loans, Noncurrent TRI long-term debt, less current maturities Deferred Income Tax Liabilities, Net Deferred tax liabilities Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies Stockholders' Equity Attributable to Parent [Abstract] Shareholders’ equity: Preferred Stock, Value, Issued Preferred stock, no par value; 10,000 shares authorized; no shares issued or outstanding as of May 3, 2020 and February 2, 2020 Common Stock, Value, Issued Common stock Treasury Stock, Value Treasury stock, at cost; 37 and 19 shares as of May 3, 2020 and February 2, 2020, respectively Additional Paid in Capital Capital stock Retained Earnings (Accumulated Deficit) Retained earnings Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income Stockholders' Equity Attributable to Parent Total shareholders' equity of Duluth Holdings Inc. Noncontrolling interest Noncontrolling interest in VIE Total shareholders' equity Ending balance Beginning balance Total shareholders' equity Liabilities and Equity Total liabilities and shareholders' equity Inventory reserve for excess and obsolete items Preferred stock, no par value Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares issued Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Common Stock, No Par Value Common stock, no par value Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Ending balance (in shares) Beginning balance (in shares) Common stock, shares outstanding Treasury Stock, Shares Treasury stock, shares Condensed Consolidated Statements of Operations [Abstract] Revenue, Net Net sales Cost of Goods Sold Cost of goods sold (excluding depreciation and amortization) Gross Profit Gross profit Selling, General and Administrative Expense Selling, general and administrative expenses Operating Income (Loss) Operating income (loss) Interest expense Other Nonoperating Income (Expense) Other (loss) income, net Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income (loss) before income taxes Income Tax Expense (Benefit) Income tax expense (benefit) Net loss Net income (loss) Net income (loss) Net income (loss) Less: Net loss attributable to noncontrolling interest Net Income Loss Net income (loss) attributable to controlling interest Net income (loss) attributable to controlling interest Basic earnings (loss) per share (Class A and Class B): Weighted Average Number of Shares Outstanding, Basic Weighted average shares of common stock outstanding Basic weighted average shares Income (loss) per share (Class A and Class B), Basic Earnings (Loss) per share (Class A and Class B), Basic Net income (loss) per share attributable to controlling interest Diluted earnings (loss) per share (Class A and Class B): Weighted Average Number of Shares Outstanding, Diluted Weighted average shares and equivalents outstanding Diluted weighted average shares Income (loss) per share (Class A and Class B), Diluted Earnings (Loss) per share (Class A and Class B), Diluted Net income (loss) per share attributable to controlling interest Condensed Consolidated Statements of Comprehensive Income [Abstract] Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Before Tax Securities available-for-sale: Unrealized security income (loss) arising during the period Other Comprehensive Income Tax Benefit Securities available-for sale: Income tax expense (benefit) Other Comprehensive Income (Loss), Net of Tax Other comprehensive income Other comprehensive income Comprehensive income Comprehensive income (loss) Comprehensive loss attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income (loss) attributable to controlling interest Condensed Consolidated Statements of Shareholders’ Equity [Abstract] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Capital Units [Member] Capital stock [Member] Treasury Stock [Member] Treasury stock [Member] Retained Earnings [Member] Retained earnings [Member] Accumulated Other Comprehensive Income [Member] Accumulated other comprehensive income (loss) [Member] Noncontrolling Interest [Member] Noncontrolling interest in variable interest entities [Member] New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification Cumulative effect from adoption of ASC 842 Stock Issued During Period, Value, New Issues Issuance of common stock Stock Issued During Period, Shares, New Issues Issuance of common stock, shares Stock Issued During Period, Value, Share-based Compensation, Gross Stock-based compensation Stock Issued During Period, Value, Restricted Stock Award, Forfeitures Restricted stock forfeitures Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Restricted stock forfeitures, shares Adjustments Related to Tax Withholding for Share-based Compensation Restricted stock surrendered for taxes Shares Paid for Tax Withholding for Share Based Compensation Restricted stock surrendered for taxes, shares Condensed Consolidated Statements of Cash Flows [Abstract] Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Cash flows from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Share-based Compensation Stock based compensation Deferred Income Tax Expense (Benefit) Deferred income taxes Gain (Loss) on Disposition of Property Plant Equipment Loss on disposal of property and equipment Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Receivables Increase (Decrease) in Income Taxes Receivable Income taxes receivable Increase (Decrease) in Inventories Inventory Increase (Decrease) in Prepaid Expense Prepaid expense & other current assets Increase (Decrease) in Deferred Charges Deferred catalog costs Increase (Decrease) in Accounts Payable, Trade Trade accounts payable Increase (Decrease) in Income Taxes Payable Income taxes payable Increase Decrease In Accrued Expenses And Deferred Rent Obligations Increase Decrease In Accrued Expenses And Deferred Rent Obligations Accrued expenses and deferred rent obligations Noncash Lease Impacts Noncash Lease Impacts Noncash lease impacts Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Cash flows from investing activities: Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Capital Contributions Towards Build To Suit Stores Capital Contributions Towards Build To Suit Stores Capital contributions towards build-to-suit stores Proceeds from Sale of Available-for-sale Securities Principal receipts from available-for-sale security Increase Decrease In Other Assets Increase Decrease In Other Assets Change in other assets Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Cash flows from financing activities: Proceeds from Lines of Credit Proceeds from line of credit Repayments of Lines of Credit Payments on line of credit Proceeds from Issuance of Other Long-term Debt Proceeds from delayed draw term loan Repayments of Other Debt Payments on delayed draw term loan Repayments of Long-term Debt Payments on TRI long term debt Payments On Finance Lease Obligations Payments On Finance Lease Obligations Payments on finance lease obligations Payments Related to Tax Withholding for Share-based Compensation Shares withheld for tax payments on vested restricted shares Proceeds from (Payments for) Other Financing Activities Other Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash provided by financing activities Cash and Cash Equivalents, Period Increase (Decrease) Increase in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents and restricted cash at end of period Cash, cash equivalents and restricted cash at beginning of period Total cash and restricted cash shown in the condensed consolidated statement of cash flows Supplemental Cash Flow Information [Abstract] Supplemental disclosure of cash flow information: Interest Paid, Net Interest paid Income Taxes Paid, Net Income taxes paid Supplemental disclosure of non-cash information: Capital Expenditures Incurred but Not yet Paid Unpaid liability to acquire property and equipment Nature of Operations and Basis of Presentation [Abstract] Business Description and Basis of Presentation [Text Block] Nature of Operations and Basis of Presentation Leases [Abstract] Leases Debt and Line of Credit [Abstract] Debt Disclosure [Text Block] Debt and Line of Credit Accrued Expenses and Other Current Liabilities [Abstract] Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Accrued Expenses and Other Current Liabilities Fair Value [Abstract] Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Fair Value Variable Interest Entities [Abstract] Schedule of Variable Interest Entities [Table] Variable Interest Entities Earnings (Loss) Per Share [Abstract] Earnings Per Share [Text Block] Earnings (Loss) Per Share Stock-Based Compensation [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock-Based Compensation Property and Equipment [Abstract] Property, Plant and Equipment Disclosure [Text Block] Property and Equipment Revenue [Abstract] Revenue from Contract with Customer [Text Block] Revenue Income Taxes [Abstract] Income Tax Disclosure [Text Block] Income Taxes Recent Accounting Pronouncements [Abstract] New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Recent Accounting Pronouncements Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Events Nature of Operations [Text Block] Nature of Operations Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Covid Nineteen [Policy Text Block] Covid Nineteen [Policy Text Block] Covid-19 Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block] Impairment Analysis Inventory Valuation Goodwill And Intangible Assets Goodwill Policy Other Assets, net Seasonality Of Business Policy [Policy Text Block] Seasonality Of Business Policy [Policy Text Block] Seasonality of Business Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Restricted Cash and Reconciliation of Cash and Cash Equivalents and Restricted Cash to the Condensed Statement of Cash Flows Reclassifications New Accounting Pronouncements, Policy [Policy Text Block] Significant Accounting Policies Schedule of Cash and Cash Equivalents [Table Text Block] Schedule of Reconciliation of Cash and Restricted Cash Lease, Cost [Table Text Block] Expense Components Leases Reflected Consolidated Statement of Operations Other Information Related To Leases [Table Text Block] Other Information Related To Leases [Table Text Block] Other Information Related to Leases Lessee Operating And Finance Leases Liability Maturity [Table Text Block] Lessee Operating And Finance Leases Liability Maturity [Table Text Block] Future Minimum Lease Payments Under Non-Cancellable Leases Schedule of Debt [Table Text Block] Schedule of Debt Schedule of Accrued Liabilities [Table Text Block] Schedule of Accrued Expenses and Other Current Liabilities Unrealized Gain (Loss) on Investments [Table Text Block] Amortized Cost, Fair Value, and Corresponding Amount of Gross Unrealized Gains and Losses Recognized in AOCI of Available-for-Sale Security Investments Classified by Contractual Maturity Date [Table Text Block] Future Principal Receipts Related to Available-For-Sale Security by Contractual Maturity Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] Carrying Values and Fair Values of Other Financial Instruments in Consolidated Balance Sheets Amounts Included in Condensed Consolidated Balance Sheets as a Result of consolidation of SRV Schedule Assets and Liabilities of Variable Interest Entity Schedule of Weighted Average Number of Shares [Table Text Block] Reconciliation of Numerator and Denominator of Basic and Diluted Loss Per Share Summary of Activity in Non-vested Restricted Stock Summary of Activity in Unvested Restricted Stock Schedule of Property and Equipment Schedule of Property and Equipment Disaggregation of Revenue [Table Text Block] Sales Disaggregated Based Upon Sales Channel Contract with Customer, Asset and Liability [Table Text Block] Contract Assets and Liabilities on Consolidated Balance Sheets Deferred Revenue, by Arrangement, Disclosure [Table Text Block] Reconciliation of Contract Liability Related to Gift Cards Number of operating segments Number of Reportable Segments Number of reportable segments Number of Stores Number of retail stores Number Of Outlet Stores Number Of Outlet Stores Number of outlet stores Number Of Classes Of Authorized Common Stock Number Of Classes Of Authorized Common Stock Number of classes of authorized common stock Number Of Votes Per Share Number Of Votes,Per Share Number of votes per share Common stock voting and conversion rights Asset Impairment Charges Impairment of assets Goodwill Intangible Assets, Net (Excluding Goodwill) Other intangible asset, net of accumulated amortization of $294 and $280, respectively Finite-Lived Intangible Assets, Accumulated Amortization Accumulated amortization of other assets Cash and Cash Equivalents [Abstract] Schedule of Cash and Cash Equivalents [Table] Restricted Cash and Cash Equivalents Restricted Cash Statistical Measurement [Axis] Range [Member] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Adjustments for New Accounting Pronouncements [Axis] Type Of Adoption [Member] Type of Adoption [Domain] Accounting Standards Update201602 [Member] Accounting Standards Update 2016-02 [Member] Operating Lease, Liability Lease liability Operating lease liability Store leases initial lease term Lease, Cost [Abstract] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Selling General And Administrative Expenses [Member] Selling, General and Administrative Expenses [Member] Interest Expense [Member] Interest Expense [Member] Finance Lease, Right-of-Use Asset, Amortization Finance lease: Amortization of right-of-use assets Finance Lease, Interest Expense Finance lease: Interest on lease liabilities Finance Lease Cost Finance Lease Cost Total finance lease expense Operating Lease, Cost Operating lease expense Amortization Of Build-To-Suit Leases Capital Contribution Amortization Of Build-To-Suit Leases Capital Contribution Amortization of build-to-suit leases capital contribution Variable Lease, Cost Variable lease expense Lease, Cost Total lease expense Cash Paid For Amounts Included In Measurement Of Lease Liabilities [Abstract] Cash Paid For Amounts Included In Measurement Of Lease Liabilities [Abstract] Cash paid for amounts included in the measurement of lease liabilities: Finance Lease, Principal Payments Financing cash flows from finance leases Finance Lease, Interest Payment on Liability Operating cash flows from finance leases Operating Lease, Payments Operating cash flows from operating leases Right Of Use Asset Obtained In Exchange For Lease Liability [Abstract] Right Of Use Asset Obtained In Exchange For Lease Liability [Abstract] Right-of-use assets obtained in exchange for lease liabilities: Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Finance leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Operating leases Weighted Average Remaining Lease Term [Abstract] Weighted Average Remaining Lease Term [Abstract] Weighted-average remaining lease term (in years): Finance Lease, Weighted Average Remaining Lease Term Finance leases Operating Lease, Weighted Average Remaining Lease Term Operating leases Weighted Average Discount Rate [Abstract] Weighted Average Discount Rate [Abstract] Weighted-average discount rate: Finance Lease, Weighted Average Discount Rate, Percent Finance leases Operating Lease, Weighted Average Discount Rate, Percent Operating leases Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Finance Lease, Liability, Payment, Due [Abstract] Finance Finance Lease, Liability, Payments, Remainder of Fiscal Year 2020 (remainder of fiscal year) Finance Lease, Liability, Payments, Due Next Twelve Months 2021 Finance Lease, Liability, Payments, Due Year Two 2022 Finance Lease, Liability, Payments, Due Year Three 2023 Finance Lease, Liability, Payments, Due Year Four 2024 Finance Lease, Liability, Payments, Due after Year Five Thereafter Finance Lease, Liability, Payment, Due Total future minimum lease payments Finance Lease, Liability, Undiscounted Excess Amount Less – Discount Finance Lease, Liability Lease liability Lessee, Operating Lease, Liability, Payment, Due [Abstract] Operating Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year 2020 (remainder of fiscal year) Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months 2021 Lessee, Operating Lease, Liability, Payments, Due Year Two 2022 Lessee, Operating Lease, Liability, Payments, Due Year Three 2023 Lessee, Operating Lease, Liability, Payments, Due Year Four 2024 Lessee, Operating Lease, Liability, Payments, Due after Year Five Thereafter Lessee, Operating Lease, Liability, Payments, Due Total future minimum lease payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less – Discount Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument Name [Domain] Debt Instrument, Name [Domain] Amended And Restated [Member] Amended And Restated [Member] Amended Credit Agreement [Member] Credit Agreement [Member] Credit Agreement [Member] Credit Agreement [Member] Long-term Debt, Type [Axis] Longterm Debt Type [Domain] Long-term Debt, Type [Domain] Tri Senior Secured Note [Member] Tri Senior Secured Note [Member] TRI Senior Secured Note [Member] Tri Note [Member] Tri Note [Member] TRI Note [Member] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Floor Rate [Member] Floor Rate [Member] Floor Rate [Member] London Interbank Offered Rate L I B O R [Member] London interbank offered rate (LIBOR) Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Delayed Draw Term Loan [Member] Delayed Draw Term Loan [Member] Delayed Draw Term Loan ("DDTL") [Member] Incremental Delayed Draw Term Loan [Member] Incremental Delayed Draw Term Loan [Member] Incremental Delayed Draw Term Loan [Member] Debt Instrument [Line Items] Debt Instrument, Face Amount Debt, original balance Debt instrument, maturity date Debt instrument stated percentage interest rate Line of Credit Facility, Maximum Borrowing Capacity Line of credit facility maximum borrowing capacity Debt Instrument, Interest Rate, Effective Percentage Debt instrument, effective rate Line of Credit Facility, Expiration Date Line of credit maturity date Debt Instrument, Description of Variable Rate Basis Debt instrument description of variable interest rate Debt Instrument, Basis Spread on Variable Rate Debt instrument variable interest rate Debt Instrument Interest Rate Margin Debt Instrument Interest Rate Margin Interest rate margins Long-term Line of Credit Outstanding borrowing Line Of Credit [Member] Line of Credit [Member] Tri Long Term Debt [Member] Tri Long Term Debt [Member] TRI Long-term Debt [Member] Long-term Debt Debt TRI Long-term debt Long-term debt, less current maturities Long-term debt Salaries and benefits Deferred Revenue, Current Deferred revenue Accrued Marketing Costs, Current Freight Product Warranty Accrual, Current Product returns Accrued Catalog costs Accrued Catalog costs Catalog costs Unpaid Purchases Of Property And Equipment Unpaid Purchases Of Property And Equipment Unpaid purchases of property & equipment Accrued Advertising, Current Accrued advertising Other Accrued Liabilities Current Other Available For Sale Securities [Abstract] Cost-method Investments, Other than Temporary Impairment Other-than-temporary impairment Schedule of Available-for-sale Securities [Table] Fair Value Hierarchy and NAV [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value Inputs Level3 [Member] Fair Value, Inputs, Level 3 [Member] Financial Instrument [Axis] Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain] Financial Instruments [Domain] Corporate Trust [Member] Corporate Trust [Member] Corporate Trust [Member] Debt Securities, Available-for-sale [Line Items] Available-for-sale Securities, Amortized Cost Basis Cost or Amortized Cost Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax Gross Unrealized Gains Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax Gross Unrealized Losses Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost Amortized Cost, Within one year Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Amortized Cost Amortized Cost, After one year through five years Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after Five Through Ten Years, Amortized Cost Amortized Cost, After five years through ten years Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Amortized Cost Amortized Cost, After ten years Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost Amortized Cost, Total Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value Estimated Fair Value, Within one year Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value Estimated Fair Value, After one year through five years Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value Estimated Fair Value, After five years through ten years Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value Estimated Fair Value, After ten years Available-for-sale Securities, Debt Maturities, Single Maturity Date Estimated Fair Value, Total Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Fair Value, by Balance Sheet Grouping [Table] Total Long-term debt Carrying Amount Debt Instrument, Fair Value Disclosure Fair Value Legal Entity [Axis] Entity [Domain] Entity [Domain] Tri Holdings Llc [Member] Tri Holdings Llc [Member] TRI Holdings, LLC [Member] Variable Interest Entity [Line Items] Variable Interest Entities [Line Items] Number Of Variable Interest Entity Number Of Variable Interest Entity Number of variable interest entity Payments to Acquire Available-for-sale Securities Amount invested in a trust Geographical [Axis] Segment Geographical [Domain] Geographical [Domain] W [I] Wisconsin [Member] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Variable Interest Entity Primary Beneficiary [Member] Variable Interest Entity, Primary Beneficiary [Member] Other Liabilities, Current Other current liabilities Antidilutive Securities [Axis] Antidilutive Securities Name [Domain] Antidilutive Securities, Name [Domain] Restricted Stock [Member] Unvested Restricted Stock [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Anti-dilutive securities excluded from computation of loss per share amount Schedule of Earnings Per Share, Basic, by Common Class [Table] Weighted Average Number Diluted Shares Outstanding Adjustment Dilutive shares weighted average shares Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Equity Award [Domain] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Allocated Share-based Compensation Expense Stock compensation expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options Unrecognized compensation expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Unrecognized compensation expense, weighted average recognition period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Ending balance, shares Beginning balance, shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Weighted average grant date fair value per share, ending balance Weighted average grant date fair value per share, beginning balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted average grant date fair value per share, Granted Weighted average grant date fair value, Vested Weighted average fair value per share, Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Weighted average fair value per share, Forfeited Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property Plant And Equipment Type [Domain] Property, Plant and Equipment, Type [Domain] Land And Land Improvements [Member] Land and Land Improvements [Member] Leasehold Improvements [Member] Leasehold Improvements [Member] Building [Member] Buildings [Member] Vehicles [Member] Vehicles [Member] Other Machinery And Equipment [Member] Warehouse Equipment [Member] Office Equipment [Member] Office Equipment and Furniture [Member] Computer Equipment [Member] Computer Equipment [Member] Software Development [Member] Software [Member] Construction In Progress [Member] Construction in Progress [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment, Gross Property and equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated depreciation and amortization Property And Equipment Net Excluding Construction In Progress Property And Equipment Net Excluding Construction In Progress Property and equipment net excluding construction in progress Disaggregation of Revenue [Abstract] Disaggregation of Revenue [Table] Disaggregation of Revenue [Line Items] Revenue from Contract with Customer, Excluding Assessed Tax Revenue Contract with Customer, Asset, after Allowance for Credit Loss Contract assets Contract with Customer, Liability Balance as of End of Period Balance as of Beginning of Period Contract liabilities Contract with Customer, Liability [Abstract] Product and Service [Axis] Products And Services [Domain] Product and Service [Domain] Gift Cards Sold [Member] Gift Cards Sold [Member] Gift Cards Sold [Member] Gift Cards Redeemed [Member] Gift Cards Redeemed [Member] Gift Cards Redeemed [Member] Gift Card Breakage [Member] Gift Card Breakage [Member] Gift Card Breakage [Member] Increase (Decrease) in Contract with Customer, Liability Increase (decrease) in gift cards Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Percent Effective tax rate related to controlling interest Carryback Period For Net Operating Losses Carryback Period For Net Operating Losses Carryback period for net operating losses Unusual Risk or Uncertainty, Nature [Axis] Unusual Risk Or Uncertainty Nature [Domain] Unusual Risk or Uncertainty, Nature [Domain] Covid Nineteen [Member] Covid Nineteen [Member] Covid-19 [Member] Duluth Long Term Debt [Member] Duluth Long Term Debt [Member] Duluth Long Term Debt [Member] Debt [Member] TRI Long-term Debt, Including Short-term Portion [Member] Contract with Customer, Sales Channel [Axis] Contract With Customer Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Sales Channel Directly To Consumer [Member] Direct-to-Consumer [Member] Sales Channel Through Intermediary [Member] Stores [Member]