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CASH FLOWS FROM OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Indemnification Agreement Indemnification Agreement [Member] Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Indemnifications Indemnification Obligations [Abstract] Geographic revenue based on customer location and long-lived tangible assets Revenues from External Customers and Long-Lived Assets [Line Items] Schedule of Weighted Average Number of Shares Schedule of Weighted Average Number of Shares [Table Text Block] Non-cash equity-based compensation Share-based Payment Arrangement, Expense Grant date fair value Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period, Grant Date Fair Value Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period, Grant Date Fair Value Business Combinations [Abstract] Common stock, $0.01 par value; 200,000 shares authorized; 39,010 and 38,803 shares issued and 36,452 and 36,245 shares outstanding as of March 31, 2021 and December 31, 2020, respectively Common Stock, Value, Issued Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Amortizing intangible assets Finite-Lived Intangible Assets [Line Items] Document Fiscal Year Focus Document Fiscal Year Focus Entity Small Business Entity Small Business TurboSquid, Inc. TurboSquid, Inc. [Member] TurboSquid, Inc. 2023 Finite-Lived Intangible Asset, Expected Amortization, Year Two Property And Equipment Property And Equipment [Member] Property And Equipment Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Entity Current Reporting Status Entity Current Reporting Status Amortization expense Capitalized Computer Software, Amortization Selling, General and Administrative Expenses Selling, General and Administrative Expenses [Member] Changes in goodwill Goodwill [Roll Forward] Amendment Flag Amendment Flag 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 Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Schedule of Aggregate Purchase Price Allocation to Assets Acquired and Liabilities Assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Common stock, shares issued (in shares) Common Stock, Shares, Issued Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Other expenses Other Accrued Liabilities, Current Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Internal use software Capitalized Computer Software, Net Entity Central Index Key Entity Central Index Key Acquisition of content Payments to Acquire Software Segment Reporting [Abstract] Segment Reporting [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Allowance for Doubtful Accounts Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Total stockholders’ equity Beginning balance Ending balance Stockholders' equity Stockholders' Equity Attributable to Parent Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Purchase price Business Combination, Consideration Transferred Schedule of Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Cash equivalents Cash Equivalents, at Carrying Value Total liabilities and stockholders’ equity Liabilities and Equity Accumulated comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Income Taxes Income Tax Disclosure [Text Block] Entity Address, City or Town Entity Address, City or Town Geographical [Axis] Geographical [Axis] Compensation Employee-related Liabilities, Current RSUs Restricted Stock Units (RSUs) [Member] 2024 Other Commitment, to be Paid, Year Three Content library Media Content [Member] Net assets acquired Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Total liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities General and administrative General and Administrative Expense Type of Adoption [Domain] Accounting Standards Update [Domain] Anti-dilutive securities excluded from the calculation (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Unrecognized compensation charge Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Income before income taxes - 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