Condensed Consolidated Statements of Income [Abstract] Gross profit Operating income Income before income taxes Net income Net income Net income (in Dollars) Condensed Consolidated Balance Sheets [Abstract] Total current assets Total assets Total current liabilities Total liabilities Total stockholders’ equity Beginning balance Ending balance Total liabilities and stockholders’ equity Condensed Consolidated Statements of Stockholders’ Equity [Abstract] Beginning balance (in Shares) Ending balance (in Shares) Treasury stock, common shares (in Shares) Treasury stock, common shares (in Shares) Treasury - common stock (in Shares) Equity Components [Axis] Condensed Consolidated Statements of Cash Flows [Abstract] Net cash provided by operating activities Net cash used in investing activities Net cash used in financing activities Net (decrease) increase in cash and cash equivalents Cash and cash equivalents, beginning of the period Cash and cash equivalents, end of the period Basis of Presentation and Summary of Significant Accounting Policies [Abstract] Financial Instrument [Axis] Amortized cost Short-term investments Amortized cost Long-term investments Net Sales [Abstract] Beginning balance Ending balance Beginning balance Ending balance Earnings per Common Share [Abstract] Earnings per common share: Weighted average number of common shares outstanding - Diluted (in Shares) Diluted (in Shares) Leases [Abstract] Total undiscounted lease payments Total lease obligations Commitments and Contingencies [Abstract] Accrued Expenses and Other Current Liabilities [Abstract] Total accrued expenses and other current liabilities Accrued expenses and other Debt Obligations and Financing Arrangements [Abstract] Income Taxes [Abstract] Equity Incentive Plans [Abstract] Outstanding at beginning of period (in Shares) Outstanding at end of period (in Shares) Outstanding at beginning of period (in Dollars per share) Outstanding at end of period (in Dollars per share) Nonvested at beginning of period Nonvested at end of period Nonvested at beginning of period Nonvested at end of period Common Stock [Abstract] Segment Reporting and Entity-Wide Information [Abstract] Product and Service [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Type [Axis] Consolidation Items [Axis] Segments [Axis] Document Type Document Quarterly Report Document Period End Date Document Fiscal Year Focus Document Transition Report Entity Registrant Name Entity Incorporation, State or Country Code Entity File Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line Two 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 Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Emerging Growth Company Entity Small Business Entity Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Amendment Flag Document Fiscal Period Focus Current Fiscal Year End Date Net sales Cost of sales Selling, general, and administrative expenses Depreciation and amortization expenses Pre-opening expenses Income tax expense Basic (in Dollars per share) Earnings per common share - Basic (in Dollars per share) Diluted (in Dollars per share) Earnings per common share - Diluted (in Dollars per share) Weighted average common shares outstanding: Basic (in Shares) Weighted average number of common shares outstanding - Basic (in Shares) Current assets: Cash and cash equivalents Inventories Accounts receivable Prepaid expenses and other assets Property and equipment, net of accumulated depreciation of $283,752, $271,267 and $239,255, respectively Property and equipment, accumulated depreciation Operating lease right-of-use assets Goodwill Trade name Other assets Liabilities and Stockholders’ Equity Current liabilities: Current portion of long-term debt Accounts payable Income taxes payable Current portion of operating lease liabilities Less: Current obligations under leases Revolving credit facility Long-term debt Deferred income taxes Long-term operating lease liabilities Long-term lease obligations Stockholders’ equity: Preferred stock - 50,000 shares authorized at $0.001 par value; no shares issued Preferred stock, shares authorized (in Shares) Preferred stock, par value (in Dollars per share) Preferred stock, shares issued (in Shares) Common stock - 500,000 shares authorized at $0.001 par value; 67,939, 67,840 and 67,650 shares issued, respectively Common stock, shares authorized (in Shares) Common stock, par value (in Dollars per share) Common stock, shares issued (in Shares) Additional paid-in capital Retained earnings Stock-based compensation expense Proceeds from stock options exercised Proceeds from stock options exercised (in Shares) Exercised (in Shares) Vesting of restricted stock Vesting of restricted stock (in Shares) Cash Flows from Operating Activities: Adjustments to reconcile net income to net cash provided by operating activities: Depreciation and amortization of property and equipment Amortization of debt issuance costs Deferred income tax provision Stock-based compensation expense Changes in operating assets and liabilities: Accounts payable Income taxes payable Accrued expenses and other liabilities Cash Flows from Investing Activities: Proceeds from sale of property and equipment Maturities of investments Cash Flows from Financing Activities: Proceeds from stock option exercises Supplemental disclosure of cash flow information: Cash paid during the period for: Interest Income taxes Non-cash investing activities: Accrued purchases of property and equipment Interest income, net Interest income, net Treasury - common stock, at cost; 7,292, 6,750 and 6,273 shares, respectively Common shares withheld for taxes Common shares withheld for taxes (in Shares) Shares repurchased Shares repurchased (in Dollars) Shares repurchased (in Shares) Shares repurchased (in Shares) Shares repurchased (in Shares) Gain on sale of assets Other Inventories Accounts receivable Prepaid expenses and other assets Capital expenditures Purchases of investments Repayments on finance leases Common shares withheld for taxes Payment for shares repurchased Common Stock [Member] Treasury Stock [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] Basis of Presentation and Summary of Significant Accounting Policies Investment Securities Classified as Held-to-Maturity Short-term: Gross unrealized gains Fair market value Long-term: Gross unrealized gains Fair market value Net Sales Reconciliation of Liabilities for Ollie's Army Loyalty Program and Gift Cards Revenue deferred Gift card issuances Earnings per Common Share