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 Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Public Float Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Consolidated Balance Sheets [Abstract] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Assets [Abstract] ASSETS Assets, Current [Abstract] Current Assets: Cash Cash at end of period Cash at beginning of period Accounts receivable Other receivables Inventory, Net Inventory, less reserve for excess and obsolete items of $1,242 and $1,404, respectively Prepaid expenses Deferred Costs, Current Deferred catalog costs Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net Restricted Cash and Cash Equivalents, Noncurrent Restricted cash Goodwill Other Assets, Noncurrent Other assets, net Assets Total assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities, Current [Abstract] Current liabilities: Trade accounts payable Accrued Liabilities, Current Accrued expenses and other current liabilities Total accrued expenses and other current liabilities Taxes Payable, Current Income taxes payable Current maturities of long-term debt Liabilities, Current Total current liabilities Capital Lease Obligations, Noncurrent Finance lease obligations under build-to-suit leases Non-current liability related to build-to-suit lease transactions Long-term debt, less current maturities Deferred Rent Credit, Noncurrent Deferred rent obligations, less current maturities Deferred Tax Liabilities, Net, Noncurrent Deferred tax liabilities Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies Stockholders' Equity Attributable to Parent [Abstract] Stockholders’ equity: Preferred Stock, Value, Issued Preferred stock, no par value; 10,000 shares authorized; no shares issued or outstanding as of January 29, 2017 and January 31, 2016 Common Stock, Value, Issued Common stock Additional Paid in Capital Capital stock Retained Earnings (Accumulated Deficit) Retained earnings Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss 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 Total liabilities and shareholders' equity Reserve for excess and obsolete items Preferred stock, 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, 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 Consolidated Statements of Operations [Abstract] Scenario [Axis] Scenario Unspecified [Domain] Scenario, Unspecified [Domain] Pro Forma [Member] Pro forma net income information [Member] Revenue, Net Net sales Cost of Goods Sold Cost of goods sold (excluding depreciation and amortization) Gross Profit Gross profit Gross profit Selling, General and Administrative Expense Selling, general and administrative expenses Operating Income (Loss) Operating income Operating income Interest expense Interest expense Other Nonoperating Income (Expense) Other income, net Other income, net Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income before income taxes Income before income taxes Income Tax Expense (Benefit) Income tax expense Total income tax expense Net income Net income Less: Net income attributable to noncontrolling interest Net Income Loss Net income attributable to controlling interest Net income attributable to controlling interest Weighted Average Number of Shares Outstanding, Basic Weighted average shares of common stock outstanding, Basic Basic weighted average shares Earnings Per Share, Basic Net income per share attributable to controlling interest, Basic Basic earnings per common share attributable to controlling interest (Class A and Class B) Weighted Average Number of Shares Outstanding, Diluted Weighted average shares and equivalents outstanding, Diluted Diluted weighted average shares Earnings Per Share, Diluted Net income per share attributable to controlling interest, Diluted Diluted earnings per common share attributable to controlling interest (Class A and Class B) Consolidated Statements of Comprehensive Income [Abstract] Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Other comprehensive income from change in value of interest rate swap agreement Change in value of interest rate swap agreement Comprehensive income Comprehensive income Comprehensive income attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income attributable to controlling interest Consolidated Statements of Shareholders’ Equity [Abstract] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Capital Units [Member] Capital stock [Member] Retained Earnings [Member] Retained earnings [Member] Accumulated Other Comprehensive Income [Member] Accumulated other comprehensive loss [Member] Noncontrolling Interest [Member] Noncontrolling interest in variable interest entities [Member] Stock Issued During Period, Shares, New Issues Number of shares issued and sold Issuance of common stock, shares Stock Issued During Period, Value, Other Issuance of common stock in initial public offering, net of costs Stock Issued During Period, Shares, Other Issuance of common stock in initial public offering, net of costs, shares Amortization Of Stock-Based Compensation Amortization Of Stock-Based Compensation Amortization of stock-based compensation Capital contributions Stockholders' Equity, Period Increase (Decrease) Distributions Unrecognized Gain (Loss) On Intercompany Property Transfer Unrecognized Gain (Loss) On Intercompany Property Transfer Unrecognized gain (loss) on intercompany property transfer Noncontrolling Interest, Decrease from Deconsolidation Deconsolidation of Schlecht Enterprises, LLC 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 income to net cash provided by operating activities: Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Share-based Compensation Amortization of stock-based compensation Deferred Income Tax Expense (Benefit) Deferred income taxes Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Loss on disposal of property and equipment Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Receivables Accounts receivable Increase (Decrease) in Other Receivables Other receivables Increase (Decrease) in Inventories Inventory Increase (Decrease) in Prepaid Expense Prepaid expense Increase (Decrease) in Deferred Charges Deferred catalog costs Increase (Decrease) in Accounts Payable, Trade Increase in accounts payable 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 Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash provided by 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 expenditures Change in restricted cash Change in restricted cash Payments to Acquire Other Productive Assets Purchases of other assets Cash Divested from Deconsolidation Deconsolidation of Schlecht Enterprises, LLC 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 Issuance Initial Public Offering Net proceeds from initial public offering Proceeds from Lines of Credit Proceeds from line of credit Repayments of Lines of Credit Payments on line of credit Proceeds from Issuance of Long-term Debt Proceeds from long term debt Repayments of Long-term Debt Payments on long term debt Repayments of Long-term Capital Lease Obligations Payments on capital lease obligations Payments On Finance Lease Obligations Under Build-To-Suit Leases Payments On Finance Lease Obligations Under Build-To-Suit Leases Payments on finance lease obligations under build-to-suit leases Payments of Capital Distribution Distributions to shareholders Payment made to "S" corporation distribution Payments to Noncontrolling Interests Distributions to holders of noncontrolling interest in variable interest entities Proceeds from Noncontrolling Interests Capital contributions to variable interest entities Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash provided by (used in) financing activities Cash and Cash Equivalents, Period Increase (Decrease) Increase (Decrease) in cash Decrease in cash Supplemental Cash Flow Information [Abstract] Supplemental disclosure of cash flow information Interest Paid Interest paid Income Taxes Paid, Net Income taxes paid Property and equipment acquired under capital leases Contribution of Property Property and equipment acquired under build-to-suit leases Capital Expenditures Incurred but Not yet Paid Unpaid liability to acquire property and equipment Noncontrolling Interest, Period Increase (Decrease) Decrease in noncontrolling interest Nature of Operations and Basis of Presentation [Abstract] Business Description and Basis of Presentation [Text Block] Nature of Operations and Basis of Presentation Summary of Significant Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Debt and Lines of Credit [Abstract] Debt Disclosure [Text Block] Debt and Lines 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 Variable Interest Entities [Abstract] Schedule of Variable Interest Entities [Table] Variable Interest Entities Earnings Per Share [Abstract] Earnings Per Share [Text Block] Earnings Per Share Segment Reporting [Abstract] Segment Reporting Disclosure [Text Block] Segment Reporting Income Taxes [Abstract] Income Tax Disclosure [Text Block] Income Taxes Leases [Abstract] Leases Related Party Transactions [Abstract] Related Party Transactions Disclosure [Text Block] Related Party Transactions Retirement Plan [Abstract] Pension and Other Postretirement Benefits Disclosure [Text Block] Retirement Plan Commitments And Contingencies [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments And Contingencies Quarterly Financial Data (Unaudited) [Abstract] Quarterly Financial Information [Text Block] Quarterly Financial Data (Unaudited) Recent Accounting Pronouncements [Abstract] New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Recent Accounting Pronouncements Valuation And Qualifying Accounts [Abstract] Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Valuation And Qualifying Accounts Consolidation, Policy [Policy Text Block] Principles of Consolidation Use of Estimates, Policy [Policy Text Block] Use of Estimates Revenue Recognition, Policy [Policy Text Block] Revenue Recognition Cost of Goods Sold and Selling, General and Administrative Expenses [Policy Text Block] Cost Of Goods Sold And Selling, General And Administrative Expenses [Policy Text Block] Cost of Goods Sold and Selling, General and Administrative Expenses Advertising Cost, Policy, Expensed Advertising Cost [Policy Text Block] Deferred Catalog and Advertising Expenses Shipping and Handling Cost, Policy [Policy Text Block] Shipping and Processing Income Tax, Policy [Policy Text Block] Income Taxes Concentrations of Credit Risk Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Restricted Cash Significant Suppliers Inventory Valuation Property and Equipment Lease, Policy [Policy Text Block] Build-to-Suit Lease Goodwill And Intangible Assets Goodwill Policy Goodwill Other Assets Impairment of Long-Lived Assets Deferred Rent Obligation Store Opening Costs [Policy Text Block] Store Opening Costs [Policy Text Block] Store Opening Costs Stock-Based Compensation Taxes Collected from Customers [Policy Text Block] Taxes Collected From Customers [Policy Text Block] Taxes Collected from Customers Other Comprehensive Income or Loss Fair Value Measurements Reclassifications Schedule of Property and Equipment Property Plant And Equipment Depreciable Lives [Table Text Block] Property Plant And Equipment Depreciable Lives [Table Text Block] Property and Equipment Depreciable Lives by Major Classification Scheduled Future Amortization of Amortizable Other Assets Summary of Activity in Non-vested Restricted Stock Schedule of Debt [Table Text Block] Schedule of Debt Schedule of Maturities of Long-term Debt [Table Text Block] Future Principal Maturities of All Debt Including Capital Leases Schedule of Accrued Liabilities [Table Text Block] Schedule of Accrued Expenses and Other Current Liabilities Amounts Included in Condensed Consolidated Balance Sheets as a Result of consolidation of SRV Amounts Included In Condensed Consolidated Balance Sheets As Result Of Consolidation Of SRV Schedule of Weighted Average Number of Shares [Table Text Block] Reconciliation of Numerator and Denominator of Basic and Diluted Earnings Per Share Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Segment Information Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Components of Income Tax Expense Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Reconciliation of Income Tax Expense to Amount Computed at Federal Statutory Rate Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Significant Components of Deferred Tax Assets and Liabilities Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Future Minimum Lease Payments Under Non-cancellable Operating Leases Schedule of Quarterly Financial Information [Table Text Block] Schedule of Quarterly Financial Data Number of Stores Number of retail stores Number Of Outlet Stores Number Of Outlet Stores Number of outlet stores Number Of Votes Per Share Number Of Votes,Per Share Number of votes per share Number Of Classes Of Authorized Common Stock Number Of Classes Of Authorized Common Stock Number of classes of authorized common stock Common stock voting and conversion rights Sale of Stock, Price Per Share Price per share issued Sale of Stock, Consideration Received on Transaction Net proceed from stock issued Common Stock, Discount on Shares Discount on common stock shares issued Cumulative Undistributed Taxable Earnings Paid To Existing Shareholders Cumulative Undistributed Taxable Earnings Paid To Existing Shareholders Payments of Stock Issuance Costs Stock issuance fees and expenses Repayments of Bank Debt Repayment of debt with proceeds from IPO Effective Income Tax Rate Reconciliation, Percent Effective tax rate Total income tax expense Amortization Period Of Capitalized Deferred Catalog Costs Amortization Period Of Capitalized Deferred Catalog Costs Amortization period of capitalized deferred catalog costs Advertising Expense Catalog and advertising expenses Shipping, Handling and Transportation Costs Shipping and processing expenses Concentration Risk, Percentage Concentration risk, percentage Costs Capitalized In Property And Equipment Costs Capitalized In Property And Equipment Amount capitalized in property and equipment Property Subject to or Available for Operating Lease, Accumulated Depreciation Accumulated depreciation related to build-to-suit lease transactions Goodwill, Impairment Loss Goodwill impairment loss Finite-Lived Intangible Asset, Useful Life Other assets amortization estimated useful life Amortization of Intangible Assets Amortization expense of other assets Finite-Lived Intangible Assets, Accumulated Amortization Accumulated amortization of other assets Number of common stock shares reserved for issuance of awards Increase On Number Of Shares Reserved For Future Issuance Increase On Number Of Shares Reserved For Future Issuance Percentage increase on number of shares reserved for future issuance Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Stock-based compensation, vesting period 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 Property and Equipment [Abstract] 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 Property and equipment estimated useful Life Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract] 2017 2018 2019 2020 2021 Thereafter Finite-Lived Intangible Assets, Net Other Assets Stock-Based Compensation [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] 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, Vested in Period Vested 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, Nonvested, Weighted Average Grant Date Fair Value Weighted average fair value per share, ending balance Weighted average fair value per share, beginning balance Weighted average grant date fair value, Vested 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 fair value per share, Granted Schedule of Long-term Debt Instruments [Table] Variable Interest Entities [Axis] Classification Of Variable Interest Entity [Domain] Variable Interest Entity, Classification [Domain] Variable Interest Entity Primary Beneficiary One [Member] Variable Interest Entity Primary Beneficiary One [Member] SRV [Member] Variable Interest Entity Primary Beneficiary Two [Member] Variable Interest Entity Primary Beneficiary Two [Member] SE [Member] Debt Instrument [Axis] Debt Instrument Name [Domain] Debt Instrument, Name [Domain] Mortgage Note Due March 2017 [Member] Mortgage Note Due March2017 [Member] Mortgage Note Due March 2017 [Member] Mortgage Note Due May 2019 [Member] Mortgage Note Due May2019 [Member] Mortgage Note Due May 2019 [Member] SRV Mortgage Note Due September 2017 [Member] Srv Mortgage Note Due September2017 [Member] SRV Mortgage Note Due September 2017 [Member] SRV Mortgage Note Due August 2016 [Member] Srv Mortgage Note Due August2016 [Member] SRV Mortgage Note Due August 2016 [Member] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] 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] Debt Instrument [Line Items] Debt Instrument, Face Amount Debt, original balance Debt instrument, maturity date Debt Instrument, Periodic Payment, Principal Required monthly principal payments Debt Instrument, Basis Spread on Variable Rate Debt instrument, percentage point added to LIBOR rate Debt instrument stated percentage interest rate Extinguishment of Debt, Amount Remaining outstanding debt balance paid off Debt Instrument, Interest Rate, Effective Percentage Debt instrument, effective rate Line of Credit Facility, Maximum Borrowing Capacity Line of credit facility maximum borrowing capacity Long-term Line of Credit Outstanding borrowing Line of credit Line of credit facility, description Long-term Debt, Type [Axis] Longterm Debt Type [Domain] Long-term Debt, Type [Domain] Capital Lease Obligations [Member] Capitalized Lease Obligations [Member] Long Term Debt And Capital Lease Obligations Including Current Maturities Long-term debt and capital lease obligations including current maturities Long-term Debt and Capital Lease Obligations, Current Less: current maturities Long-term Debt and Capital Lease Obligations Long-term debt Maturities of Long-term Debt and Capital Lease Obligations [Abstract] Long-term Debt and Capital Lease Obligations, Repayments of Principal in Next Twelve Months 2017 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Two 2018 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three 2019 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four 2020 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Five 2021 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal after Year Five Thereafter Salaries and benefits Deferred Revenue, Current Deferred revenue Accrued Marketing Costs, Current Freight Product Warranty Accrual, Current Product returns Accrued Advertising, Current Catalog costs Unpaid Purchases Of Property And Equipment Unpaid Purchases Of Property And Equipment Unpaid purchases of property & equipment Other Accrued Liabilities Current Other Legal Entity [Axis] Entity [Domain] Entity [Domain] Variable Interest Entity Primary Beneficiary [Member] Variable Interest Entity, Primary Beneficiary [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 Net Book Value Of Real Property Acquired Net Book Value Of Real Property Acquired Net book value of real property acquired Purchase Price Consideration Of Real Property Purchase Price Consideration Of Real Property Total consideration of real property acquired Noncash or Part Noncash Acquisition, Debt Assumed Mortgage note assumed on property acquired Payments to Acquire Real Estate Cash payment consideration for real property acquired Gain (Loss) on Disposition of Assets for Financial Service Operations Gain on disposal of assets Other Liabilities, Current Other current liabilities Long-term Debt Long-term debt Schedule of Earnings Per Share, Basic, by Common Class [Table] Weighted Average Number Diluted Shares Outstanding Adjustment Dilutive shares Schedule of Segment Reporting Information, by Segment [Table] Segment Reporting Information [Line Items] Number of operating segments Number of Reportable Segments Number of reportable segments Segments [Axis] Segment [Domain] Segments [Domain] Direct [Member] Direct [Member] Direct [Member] Retail [Member] Retail [Member] Retail [Member] Increase (Decrease) in Deferred Income Taxes Increase in net deferred tax liabilities Income Tax Examination, Penalties and Interest Expense Tax expense for interest or penalties Open Tax Year Tax years open for tax examination Current: Current Federal Tax Expense (Benefit) Federal Current State and Local Tax Expense (Benefit) State Current Federal, State and Local, Tax Expense (Benefit) Total current income tax expense Deferred Federal, State and Local, Tax Expense (Benefit) [Abstract] Deferred: Deferred Federal Income Tax Expense (Benefit) Federal Deferred State and Local Income Tax Expense (Benefit) State Deferred Federal, State and Local, Tax Expense (Benefit) Total deferred income tax expense Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Federal taxes at statutory rate Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount Tax effect of earnings not subject to federal income tax due to "S" corporation status Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount State and local income taxes, net of federal benefit Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Impact of change in tax status Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Other Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Federal taxes at statutory rate Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent Tax effect of earnings not subject to federal income tax due to "S" corporation status Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent State and local income taxes, net of federal benefit Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Impact of change in tax status Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent Other Deferred Tax Assets, Net [Abstract] Deferred tax assets: Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Returns and Allowances Returns allowance Deferred Tax Assets Uniform Capitalization Deferred Tax Assets Uniform Capitalization Uniform capitalization Deferred Tax Assets, Inventory Inventory Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent Deferred rent Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Accruals Deferred Tax Assets Advance Payments Deferred Tax Assets Advance Payments Advance payments Deferred Tax Assets, Net of Valuation Allowance Total deferred tax assets Deferred Tax Liabilities, Net [Abstract] Deferred tax liabilities: Deferred Tax Liabilities, Property, Plant and Equipment Property and equipment Deferred Tax Liabilities, Other Stock-based compensation Deferred Tax Liabilities, Prepaid Expenses Prepaid expenses Deferred Tax Liabilities, Goodwill and Intangible Assets Goodwill and intangibles Deferred Tax Liabilities, Gross Total deferred tax liabilities Deferred Tax Liabilities, Net Net deferred tax liabilities Initial lease terms Lease Expiration Date Lease expiration date Lessee Leasing Arrangements, Operating Leases, Renewal Term Operating leases renewal term Operating Lease Base Monthly Rental Payments Operating Lease Base Monthly Rental Payments Operating lease base monthly rental payments Operating Leases of Lessee, Contingent Rentals, Basis Spread on Variable Rate Annual percentage increase on monthly operating lease Operating Leases, Rent Expense Rent expense under non-cancellable operating leases Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Operating Leases, Future Minimum Payments Due, Next Twelve Months 2017 Operating Leases, Future Minimum Payments, Due in Two Years 2018 Operating Leases, Future Minimum Payments, Due in Three Years 2019 Operating Leases, Future Minimum Payments, Due in Four Years 2020 Operating Leases, Future Minimum Payments, Due in Five Years 2021 Operating Leases, Future Minimum Payments, Due Thereafter Thereafter Operating Leases, Future Minimum Payments Due Total future minimum lease payments Defined Contribution Plan, Employer Matching Contribution, Percent of Match Quarterly employer matching contribution percent of match Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent Participant percentage contribution to the plan Defined Contribution Plan Profit Sharing Contributions Percent Defined Contribution Plan Profit Sharing Contributions Percent Profit sharing contributions percent on eligible wages Total expenses under the retirement plan Percent Of Net Sale, Net Sales Percent Of Net Sales, Net Sales % of Net Sales, Net sales Percent Of Net Sales, Gross Profit Percent Of Net Sales, Gross Profit % of Net Sales, Gross profit Percent Of Net Sales, Operating Income Percent Of Net Sales, Operating Income % of Net Sales, Operating income Percent Of Net Sales, Net Income Percent Of Net Sales, Net Income % of Net Sales, Net income attributable to controlling interest Valuation and Qualifying Accounts Disclosure [Table] Valuation and Qualifying Accounts Disclosure [Line Items] Valuation Allowances and Reserves, Balance Ending Balance Beginning Balance Valuation Allowances and Reserves, Charged to Cost and Expense Charged to Cost and Expenses Common Class A and Class B [Member] Common Class A And Class B [Member] Class A and Class B common stock Variable Interest Entity Not Primary Beneficiary [Member] Variable Interest Entity, Not Primary Beneficiary [Member] Schlecht Port Washington Llc [Member] Schlecht Port Washington Llc [Member] Schlecht Port Washington LLC (“SPW”) Sale of Stock [Axis] Sale Of Stock Name Of Transaction [Domain] Sale of Stock [Domain] I P O [Member] IPO [Member] Underwriters Option To Purchase Additional Shares [Member] Underwriters Option To Purchase Additional Shares [Member] Underwriters Option To Purchase Additional Shares [Member] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Twenty Fifteen Equity Incentive Plan [Member] Twenty Fifteen Equity Incentive Plan [Member] 2015 Equity Incentive Plan [Member] Award Type [Axis] Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Equity Award [Domain] Restricted Stock [Member] Restricted Stock [Member] Title of Individual [Axis] Title Of Individual With Relationship To Entity [Domain] Relationship to Entity [Domain] Board Members [Member] Board Members [Member] Board Members [Member] Key Employees And Executives [Member] Key Employees And Executives [Member] Key Employees And Executives [Member] Range [Axis] Range [Member] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Inventory Expenditures [Member] Inventory Expenditures [Member] Inventory Expenditures [Member] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Inventory Supplier One [Member] Inventory Supplier One [Member] Supplier One [Member] Inventory Supplier Two [Member] Inventory Supplier Two [Member] Supplier Two [Member] Sale Leaseback Transaction, Description [Axis] Sale Leaseback Transaction Name [Domain] Sale Leaseback Transaction, Name [Domain] Build-To-Suit Lease Transactions [Member] Build To Suit Lease Transactions [Member] Build-To-Suit Lease Transactions [Member] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Amended And Restated [Member] Amended And Restated [Member] Amended And Restated [Member] Borrowing Availability Period One [Member] Borrowing Availability Period One [Member] October 7, 2016 through July 31, 2017 [Member] Borrowing Availability Period Two [Member] Borrowing Availability Period Two [Member] August 1, 2017 through July 31, 2018 [Member] Borrowing Availability Period Three [Member] Borrowing Availability Period Three [Member] August 1, 2018 through July 31, 2019 [Member] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Domestic Country [Member] Federal [Member] State And Local Jurisdiction [Member] State [Member] Geographical [Axis] Segment Geographical [Domain] Geographical [Domain] W [I] Port Washington, Wisconsin [Member] Lease Arrangement, Type [Axis] Lease Arrangement Type [Domain] Lease Arrangement, Type [Domain] Related Party [Member] Related Party [Member] Related Party [Member] Other [Member] Other [Member] Other [Member] Defined Contribution Plan Type [Axis] Defined Contribution Plan Type [Domain] Defined Contribution Plan Type [Domain] Four Zero One (K) Profit Sharing Plan [Member] Four Zero One K Profit Sharing Plan [Member] 401(k) profit sharing plan [Member] Contribution On First Three Percent Of Participant Compensation [Member] Contribution On First Three Percent Of Participant Compensation [Member] Contribution on 3% of Participant Compensation [Member] Contribution On Two Percent Of Participant compensation [Member] Contribution On Two Percent Of Participant Compensation [Member] Contribution on 2% of Participant Compensation [Member] Employer Matching Contribution One [Member] Employer Matching Contribution One [Member] Employer Matching Contribution 100% [Member] Employer Matching Contribution Two [Member] Employer Matching Contribution Two [Member] Employer Matching Contribution 50% [Member] Valuation Allowances and Reserves Type [Axis] Valuation Allowances And Reserves [Domain] Valuation Allowances and Reserves [Domain] Inventory Valuation Reserve [Member] Inventory Reserve [Member] Allowance For Sales Returns [Member] Product Returns Reserve [Member]