Deferred tax asset Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets Long-term incentives related to acquisitions Increase (Decrease) In Long Term Incentives Related To Acquisitions Increase (Decrease) In Long Term Incentives Related To Acquisitions Authorized purchase amount (up to) Stock Repurchase Program, Authorized Amount Supplemental Disclosure of Cash Information: Supplemental Cash Flow Information [Abstract] Asset Acquisition [Axis] Asset Acquisition [Axis] Security deposit (payment) / release Increase (Decrease) in Security Deposits Lease liabilities Operating Lease, Liability, Noncurrent Foreign currency (loss) / gain Foreign Currency Transaction Gain (Loss), Realized Adjustments for New Accounting Pronouncements [Axis] Accounting Standards Update [Axis] Leasehold improvements Leasehold Improvements [Member] Net income Net income Net Income (Loss) Attributable to Parent Entity Emerging Growth Company Entity Emerging Growth Company Right-of-use assets Operating Lease, Right-of-Use Asset Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Net assets acquired Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Compensation Employee-related Liabilities, Current City Area Code City Area Code Income Statement Location [Axis] Income Statement Location [Axis] Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Transaction costs Business Combination, Acquisition Related Costs Retained earnings Retained Earnings (Accumulated Deficit) Entity Address, Address Line One Entity Address, Address Line One Non-income taxes Accrual for Taxes Other than Income Taxes, Current RSUs Restricted Stock Units (RSUs) [Member] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Number of primary channels for content offerings Contract With Customer, Number Of Primary Channels Contract With Customer, Number Of Primary Channels Schedule of Aggregate Purchase Price Allocation to Assets Acquired and Liabilities Assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Cash dividend paid Dividends, Common Stock, Cash Business Acquisition [Line Items] Business Acquisition [Line Items] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Shares issued (in shares) Shares Issued, Shares, Share-based Payment Arrangement, before Forfeiture Income Statement [Abstract] Income Statement [Abstract] Amendment Flag Amendment Flag E-commerce E-Commerce [Member] E-Commerce [Member] Additional paid-in capital Additional Paid in Capital, Common Stock Entity Filer Category Entity Filer Category Other assets Other Assets, Noncurrent Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Internal use software Capitalized Computer Software, Net Proceeds from exercise of stock options Proceeds from Stock Options Exercised Net (decrease) / increase in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Provision for income taxes Income Tax Expense (Benefit) Summary of the Company's other (expense) income, net activity Schedule of Other Nonoperating Income (Expense) [Table Text Block] Equity-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition Acquisition of content Payments to Acquire Software Accounts receivable, net of allowance of $2,463 and $4,942 Accounts Receivable, after Allowance for Credit Loss, Current Effective tax rate, excluding discrete items Effective Income Tax Rate Reconciliation, Excluding Discrete Items, Percent Effective Income Tax Rate Reconciliation, Excluding Discrete Items, Percent Accrued Expenses Accrued Expenses Current [Text Block] The entire disclosure for accrued expenses classified as current at the end of the reporting period. Equity Components [Axis] Equity Components [Axis] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Total current assets Assets, Current Sales and marketing Selling and Marketing Expense [Member] Document Fiscal Year Focus Document Fiscal Year Focus Concentration Risk Type [Domain] Concentration Risk Type [Domain] Weighted average shares outstanding: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Deferred tax liability Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Amortization expense Amortization of Intangible Assets Entity File Number Entity File Number Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Enterprise Enterprise [Member] Enterprise [Member] Estimated useful life Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Value remaining for repurchase Stock Repurchase Program, Remaining Authorized Repurchase Amount Anti-dilutive securities excluded from the calculation (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Disposal group deferred revenue Contract with Customer, Liability, Revenue Recognized Product development Research and Development Expense [Member] Unrecognized compensation charge Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Accounts payable, accrued expenses and other liabilities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Liabilities, Accounts Payable, Accrued Expenses And Other Liabilities Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Liabilities, Accounts Payable, Accrued Expenses And Other Liabilities Product and Service [Axis] Product and Service [Axis] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] PicMonkey And TurboSquid PicMonkey And TurboSquid [Member] PicMonkey And TurboSquid CASH FLOWS FROM FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Schedule of Weighted Average Number of Shares Schedule of Weighted Average Number of Shares [Table Text Block] Entity Small Business Entity Small Business Long-term investments Equity Securities without Readily Determinable Fair Value, Amount Unrecognized non-cash equity-based compensation charge Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Revenue benchmark Revenue Benchmark [Member] Business Combination and Asset Acquisition [Abstract] Business Acquisition [Axis] Business Acquisition [Axis] Equity Component [Domain] Equity Component [Domain] Issuance of common stock in connection with employee stock option exercises and RSU vesting (in shares) Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture Sales and marketing Selling and Marketing Expense Award Type [Domain] Award Type [Domain] ASSETS Assets [Abstract] Statement [Line Items] Statement [Line Items] Deferred revenue Increase (Decrease) in Contract with Customer, Liability Number of shares granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Concentration risk percentage Concentration Risk, Percentage Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Intangible assets acquired Finite-lived Intangible Assets Acquired Issuance of common stock in connection with employee stock option exercises and RSU vesting Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Other obligations Other Commitment New Accounting Pronouncements or Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Entity Address, City or Town Entity Address, City or Town Trade name Trade Names [Member] Retained Earnings Retained Earnings [Member] Prepaid expenses and other current and non-current assets Increase (Decrease) in Prepaid Expense and Other Assets 2023 Other Commitment, to be Paid, Year Two Entity Address, State or Province Entity Address, State or Province Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Allowance for Doubtful Accounts Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block] Income before income taxes Income before income taxes - As Reported Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Type of Adoption [Domain] Accounting Standards Update [Domain] Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Increase in effective tax rate, loss jurisdiction Effective Income Tax Rate Reconciliation, Loss Jurisdiction, Increase (Decrease), Percent Effective Income Tax Rate Reconciliation, Loss Jurisdiction, Increase (Decrease), Percent Segment Reporting [Abstract] Segment Reporting [Abstract] Useful life Weighted Average Life (Years) Finite-Lived Intangible Asset, Useful Life Long-lived Assets by Geographic Areas Long-lived Assets by Geographic Areas [Table Text Block] Accounts receivable Increase (Decrease) in Accounts Receivable Business Acquisition, Pro Forma Information Business Acquisition, Pro Forma Information [Table Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Options granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Entity Shell Company Entity Shell Company Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Local Phone Number Local Phone Number Property and Equipment Property, Plant and Equipment [Line Items] Other comprehensive loss Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Summary of Non-cash Equity-based Compensation Expense Included in the Company's Statement of Operations Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Common shares withheld for settlement of taxes in connection with equity-based compensation (in shares) Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Earnings per share: Earnings Per Share, Basic, Two Class Method [Abstract] Entity Interactive Data Current Entity Interactive Data Current Net proceeds from issuance of common stock Proceeds from Issuance of Common Stock Total assets Assets Rest of the world All Regions Of The World Except North America And Europe [Member] Represents all regions of the world except North America and Europe. Deferred revenue Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue Common stock, shares authorized (in shares) Common Stock, Shares Authorized Non-cash equity-based compensation expense Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Basic (in dollars per share) Basic net income per share (in dollars per share) Earnings Per Share, Basic Geographical [Domain] Geographical [Domain] Indemnifications Indemnification Obligations [Abstract] Revenue Revenue from Contract with Customer [Text Block] Increase in effective tax rate, effect of discrete items Effective Income Tax Rate Reconciliation, Disposition of Business, Percent Product and Service [Domain] Product and Service [Domain] Product development Research and Development Expense Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Five Nonvested shares outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Document Type Document Type Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] TurboSquid, Inc. TurboSquid, Inc. [Member] TurboSquid, Inc. Property And Equipment Property And Equipment [Member] Property And Equipment Geographic concentration Geographic Concentration Risk [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Purchase consideration subject to contractual holdback Asset Acquisition, Consideration Transferred, Contingent Consideration Dilutive potential common shares Earnings Per Share, Diluted [Abstract] Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Entity Current Reporting Status Entity Current Reporting Status Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cumulative Effect, Period of Adoption, Adjustment Cumulative Effect, Period of Adoption, Adjustment [Member] Furniture and fixtures Furniture and Fixtures [Member] Common shares withheld for settlement of taxes in connection with equity-based compensation Share-based Payment Arrangement, Decrease for Tax Withholding Obligation Entity Tax Identification Number Entity Tax Identification Number Geographical [Axis] Geographical [Axis] Effective tax rate increase (decrease) due to windfall tax benefits associated with equity-based compensation Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Percent Basic (in shares) Shares used to compute basic net income per share (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in dollars per share) Diluted net income per share (in dollars per share) Earnings Per Share, Diluted Dilutive securities included in the calculation (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment Purchase price Business Combination, Consideration Transferred Bad debt expense Accounts Receivable, Credit Loss Expense (Reversal) Cash paid for income taxes Cash paid for income taxes Income Taxes Paid, Net Changes in goodwill Goodwill [Roll Forward] Accounting standards update Accounting Standards Update [Extensible Enumeration] Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Net cash (used in) / provided by financing activities Net Cash Provided by (Used in) Financing Activities Document Transition Report Document Transition Report Treasury stock, at cost; 2,600 and 2,558 shares as of September 30, 2021 and December 31, 2020, respectively Treasury Stock, Value Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Deferred tax liability, net Deferred Income Tax Liabilities, Net 2025 Other Commitment, to be Paid, Year Four Amortizing intangible assets Finite-Lived Intangible Assets [Line Items] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Total liabilities and stockholders’ equity Liabilities and Equity Other expenses Other Accrued Liabilities, Current Property and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Fair Value Measurements and Long-term Investments Fair Value Disclosures [Text Block] Deferred revenue Contract with Customer, Liability, Current Asset acquisitions Payments to Acquire Other Productive Assets Accounts payable Accounts Payable, Current Concentration Risk Type [Axis] Concentration Risk Type [Axis] Depreciation and amortization Depreciation, Depletion and Amortization 2022 Other Commitment, to be Paid, Year One Cash equivalents Cash Equivalents, at Carrying Value 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Three LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Accumulated Other Comprehensive Income / (Loss) AOCI Attributable to Parent [Member] Remainder of 2021 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Contributor royalties payable Accrued Royalties, Current Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding CASH FLOWS FROM OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Net Income Per Share Earnings Per Share [Text Block] Repurchase of treasury shares Treasury Stock, Value, Acquired, Cost Method Shares repurchased, average per share cost (in dollars per share) Treasury Stock Acquired, Average Cost Per Share Cost of revenue Cost of Goods and Services Sold 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Four 2026 Other Commitment, to be Paid, Year Five Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Contributor royalties payable Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Contributor Royalties Payable Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Contributor Royalties Payable Effect of foreign exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] CASH FLOWS FROM INVESTING ACTIVITIES Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Summary of Property and Equipment Property, Plant and Equipment [Table Text Block] Chargeback and sales refund allowances Chargeback and Sales Refund Allowance Represents the amount of chargeback and sales refund allowance included in other liabilities at the balance sheet date. Income Statement Location [Domain] Income Statement Location [Domain] Customer relationships Customer Relationships [Member] Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Number of entities Asset Acquisition, Number Of Entities Asset Acquisition, Number Of Entities Trading Symbol Trading Symbol Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Property and Equipment Property, Plant and Equipment Disclosure [Text Block] Other non-current liabilities Other Liabilities, Noncurrent Deferred tax assets, net Deferred Income Tax Assets, Net Current liabilities: Liabilities, Current [Abstract] Issuance of common stock, net of issuance costs Stock Issued During Period, Value, New Issues Contributor royalties payable Increase (Decrease) in Royalties Payable General and administrative General and Administrative Expense Business combination, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Repurchase of treasury shares (in shares) Repurchase of treasury shares (in shares) Treasury Stock, Shares, Acquired Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Stockholders’ Equity and Equity-Based Compensation Share-based Payment Arrangement [Text Block] Revenue - Pro Forma Business Acquisition, Pro Forma Revenue Property and equipment Property, Plant and Equipment, Gross Foreign currency translation loss Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss Accounting Policies [Abstract] Accounting Policies [Abstract] Document Quarterly Report Document Quarterly Report Issuance of common stock, net of issuance costs (in shares) Stock Issued During Period, Shares, New Issues Trademarks Trademarks [Member] Other Commitments [Line Items] Other Commitments [Line Items] Common stock, $0.01 par value; 200,000 shares authorized; 39,191 and 38,803 shares issued and 36,591 and 36,245 shares outstanding as of September 30, 2021 and December 31, 2020, respectively Common Stock, Value, Issued Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Other (expense) / income, net Total other (expense) / income Nonoperating Income (Expense) Operating expenses: Costs and Expenses [Abstract] Weighted average grant-date fair value (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Unaudited Interim Financial Statements Unaudited Interim Financial Statements [Policy Text Block] Disclosure of accounting policy of the entity related to unaudited interim financial statements. Patents Patents [Member] Goodwill related to acquisitions Goodwill, Acquired During Period Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Asset Acquisition [Domain] Asset Acquisition [Domain] Commitments and contingencies (Note 13) Commitments and Contingencies Non-cash equity-based compensation Share-based Payment Arrangement, Expense Computer equipment and software Computer Equipment And Software [Member] Represents the long-lived, depreciable assets that are used in the creation, maintenance and utilization of information systems including purchased software applications. Accumulated comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Europe Europe [Member] Document Fiscal Period Focus Document Fiscal Period Focus Acquisitions Business Combination Disclosure [Text Block] Total long-lived tangible assets Long-Lived Tangible Asstes [Member] Long-Lived Tangible Asstes [Member] Effective tax rate, expense Effective Income Tax Rate Reconciliation, Percent Indemnification Agreement Indemnification Agreement [Member] Other (Expense) / Income, net Other Nonoperating Income and Expense [Text Block] Other Commitments [Table] Other Commitments [Table] Unvested restricted stock awards (in shares) Incremental Common Shares Attributable to Unvested Restricted Stock Awards Represents the additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of unvested restricted stock awards. Document Period End Date Document Period End Date Payables and Accruals [Abstract] Payables and Accruals [Abstract] Total liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Accounting Standards Update 2016-13 Accounting Standards Update 2016-13 [Member] Stock options (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Cash, cash equivalents and restricted cash, beginning of period Cash, cash equivalents and restricted cash, end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Geographic revenue based on customer location and long-lived tangible assets Revenues from External Customers and Long-Lived Assets [Line Items] Total operating expenses Costs and Expenses Revenue from External Customers by Geographic Areas Revenue from External Customers by Geographic Areas [Table Text Block] Class of Stock [Axis] Class of Stock [Axis] Cash dividends paid Dividends United States UNITED STATES Income before income taxes - Pro Forma Business Acquisition, Pro Forma Net Income (Loss) Total assets acquired Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Assets Including Goodwill Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Assets Including Goodwill Cumulative Effect, Period of Adoption, Adjusted Balance Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Entity Registrant Name Entity Registrant Name Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Treasury stock, shares held in treasury (in shares) Treasury Stock, Shares Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Current assets: Assets, Current [Abstract] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Interest income, net Interest Income (Expense), Nonoperating, Net Entity Central Index Key Entity Central Index Key Schedule of Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Amortization expense Capitalized Computer Software, Amortization Security Exchange Name Security Exchange Name Aggregate cash consideration Payments to Acquire Productive Assets Chargeback and Sales Refund Allowance and Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Diluted (in shares) Shares used to compute diluted net income per share (in shares) Weighted Average Number of Shares Outstanding, Diluted Quarterly cash dividend, declared (in usd per share) Common Stock, Dividends, Per Share, Declared Selling, General and Administrative Expenses Selling, General and Administrative Expenses [Member] Accrued expenses Total accrued expenses Accrued Liabilities, Current Revenue Revenue - As Reported Total revenue Revenue from Contract with Customer, Excluding Assessed Tax Income Taxes Income Tax Disclosure [Text Block] Current Fiscal Year End Date Current Fiscal Year End Date Payment of cash dividend Payments of Dividends Capitalized amount Capitalized Computer Software, Additions Stock options Share-based Payment Arrangement, Option [Member] 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Five Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Lease liability Business Combination, Recognized Identifiable Asset Acquired and Liability Assumed, Lease Obligation Options vested and exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Common Stock Common Stock [Member] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Other Nonoperating Income (Expense) [Abstract] Other Nonoperating Income (Expense) [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Less accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Geographic Information Segment Reporting Disclosure [Text Block] Income from operations Operating Income (Loss) Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Right of use asset Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Right Of Use Assets Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Right Of Use Assets General and administrative General and Administrative Expense [Member] Summary of Operations and Significant Accounting Policies Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] 2023 Finite-Lived Intangible Asset, Expected Amortization, Year Two Total current liabilities Liabilities, Current Class of Stock [Domain] Class of Stock [Domain] Cash paid related to settlement of employee taxes related to RSU vesting Value of shares withheld Payment, Tax Withholding, Share-based Payment Arrangement Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Non-cash equity-based compensation Share-based Payment Arrangement, Noncash Expense Additional Paid-in Capital Additional Paid-in Capital [Member] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Maturity of unconditional purchase obligations Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] Depreciation Depreciation Assets acquired and liabilities assumed (in thousands): Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] Payment of cash dividend (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Foreign currency translation adjustment Goodwill, Foreign Currency Translation Gain (Loss) Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Revenue of acquiree Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Treasury Stock Treasury Stock [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Entity Address, Postal Zip Code Entity Address, Postal Zip Code PicMonkey PicMonkey [Member] PicMonkey Title of 12(b) Security Title of 12(b) Security Total long-lived tangible assets Long-Lived Assets Statement [Table] Statement [Table] 2024 Other Commitment, to be Paid, Year Three Recently Adopted and Issued Accounting Standard Updates New Accounting Pronouncements, Policy [Policy Text Block] Remainder of 2021 Other Commitment, to be Paid, Remainder of Fiscal Year Capital expenditures Payments to Acquire Property, Plant, and Equipment Pattern89, Inc., Datasine Limited And Assets Of Shotzr, Inc. Pattern89, Inc., Datasine Limited And Assets Of Shotzr, Inc. [Member] Pattern89, Inc., Datasine Limited And Assets Of Shotzr, Inc. Other current liabilities Other Liabilities, Current Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Total liabilities Liabilities North America North America [Member] Subsequent Event Subsequent Event [Member] Cover page. Cover [Abstract] Schedule of Accrued Expenses Schedule of Accrued Liabilities [Table Text Block] Award Type [Axis] Award Type [Axis] Website hosting and marketing fees Accrued Website Hosting And Marketing Fees, Current Accrued Website Hosting And Marketing Fees, Current 2022 Finite-Lived Intangible Asset, Expected Amortization, Year One Goodwill Balance at the beginning of the period Balance at the end of the period Goodwill Intangible assets, net Net Carrying Amount Finite-Lived Intangible Assets, Net Options vested and exercisable, weighted average exercise price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Total stockholders’ equity Beginning balance Ending balance Stockholders' equity Stockholders' Equity Attributable to Parent Maximum aggregate obligation and liability for customer Maximum Indemnification Liability For Customer Maximum Indemnification Liability For Customer Cost of revenue Cost of Sales [Member] Common stock, shares issued (in shares) Common Stock, Shares, Issued Contributor content Contributor content Media Content [Member] Accounts payable and other current and non-current liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Schedule of Changes in Goodwill Schedule of Goodwill [Table Text Block] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Developed technology Developed Technology Rights [Member] IRELAND IRELAND Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Purchase of treasury shares Payments for Repurchase of Common Stock Maximum possible loss per customer Loss Contingency, Maximum Possible Loss Per Customer Loss Contingency, Maximum Possible Loss Per Customer Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Stockholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Deferred taxes Deferred Income Tax Expense (Benefit) Adjustments to reconcile net income to net cash provided by operating activities: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]