Entity Central Index Key
Finite lived intangible assets amortization expense after year four.
Cover [Abstract]
Document Information [Table]
Document Information [Table]
Class of Stock
Statement Class Of Stock [Axis]
Class of Stock
Class Of Stock [Domain]
Class A Common Stock
Common Class A [Member]
Class B Common Stock
Common Class B [Member]
Document Information [Line Items]
Document Information [Line Items]
Document Type
Document Type
Amendment Flag
Amendment Flag
Document Quarterly Report
Document Quarterly Report
Document Period End Date
Document Period End Date
Document Transition Report
Document Transition Report
Document Fiscal Period Focus
Document Fiscal Period Focus
Document Fiscal Year Focus
Document Fiscal Year Focus
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Incorporation, State or Country Code
Entity Incorporation State Country Code
Entity Tax Identification Number
Entity Tax Identification Number
Entity File Number
Entity File Number
Entity Address, Address Line One
Entity Address Address Line1
Entity Address, Address Line Two
Entity Address Address Line2
Entity Address, City or Town
Entity Address City Or Town
Entity Address, State or Province
Entity Address State Or Province
Entity Address, Postal Zip Code
Entity Address Postal Zip Code
Local Phone Number
Local Phone Number
City Area Code
City Area Code
Entity Current Reporting Status
Entity Current Reporting Status
Entity Interactive Data Current
Entity Interactive Data Current
Entity Filer Category
Entity Filer Category
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Small Business
Entity Small Business
Entity Ex Transition Period
Entity Ex Transition Period
Entity Shell Company
Entity Shell Company
Entity Common Stock, Shares Outstanding
Entity Common Stock Shares Outstanding
Title of 12(b) Security
Security12b Title
Trading Symbol
Trading Symbol
Name of each exchange on which registered
Security Exchange Name
Accrued member tax distributions current.
Members equity additional paid in capital.
Members equity retained earnings accumulated deficit.
Statement Of Financial Position [Abstract]
Statement [Table]
Statement [Table]
Statement [Line Items]
Statement [Line Items]
Assets
Assets [Abstract]
Current assets:
Assets Current [Abstract]
Cash
Cash
Accounts receivable, net of allowances
Accounts Receivable Net Current
Prepaid expenses and other current assets
Prepaid Expense And Other Assets Current
Total current assets
Assets Current
Property, equipment, and software, net
Property Plant And Equipment Net
Intangible assets, net
Finite Lived Intangible Assets Net
Goodwill
Goodwill
Other assets
Other Assets Noncurrent
Total assets
Assets
Liabilities, convertible preferred units and stockholders' equity/members' equity
Liabilities And Stockholders Equity [Abstract]
Liabilities
Liabilities [Abstract]
Current liabilities:
Liabilities Current [Abstract]
Accounts payable
Accounts Payable Current
Accrued liabilities
Accrued Liabilities Current
Accrued compensation
Accrued Salaries Current
Current portion of long-term debt
Long Term Debt Current
Current portion of deferred revenue
Contract With Customer Liability Current
Accrued member tax distributions
Accrued Member Tax Distributions Current
Other current liabilities
Other Liabilities Current
Total current liabilities
Liabilities Current
Long-term debt
Long Term Debt Noncurrent
Long-term portion of deferred revenue
Contract With Customer Liability Noncurrent
Other long-term liabilities
Other Liabilities Noncurrent
Total liabilities
Liabilities
Commitments and contingencies (Note 12)
Commitments And Contingencies
Convertible preferred units
Temporary Equity [Abstract]
2019 convertible preferred units, no par value; none issued and outstanding as of June 30, 2021 and 600,000 units authorized, issued and outstanding as of December 31, 2020; liquidation preference $5,444 as of December 31, 2020
Temporary Equity Carrying Amount Attributable To Parent
Members' equity
Members Equity [Abstract]
Common units, no par value; none issued and outstanding as of June 30, 2021 and 400,000 units authorized, issued and outstanding as of December 31, 2020
Common Unit Issuance Value
Additional paid-in capital
Members Equity Additional Paid In Capital
Accumulated deficit
Members Equity Retained Earnings Accumulated Deficit
Stockholders’ equity
Stockholders Equity [Abstract]
Preferred stock, $0.001 par value, 10,000,000 shares authorized, none issued and outstanding as of June 30, 2021
Preferred Stock Value
Common stock
Common Stock Value
Additional paid-in capital
Additional Paid In Capital
Accumulated deficit
Retained Earnings Accumulated Deficit
Total stockholders' equity attributable to Viant Technology Inc./members' equity
Stockholders Equity
Noncontrolling interests
Minority Interest
Total equity
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
Total liabilities, convertible preferred units and stockholders' equity/members' equity
Liabilities And Stockholders Equity
Temporary equity no par value.
Common units no par value.
Two thousand nineteen convertible preferred units.
2019 Convertible Preferred Units
Two Thousand Nineteen Convertible Preferred Units [Member]
Convertible preferred units, no par value
Temporary Equity No Par Value
Convertible preferred units, units authorized
Temporary Equity Shares Authorized
Convertible preferred units, units issued
Temporary Equity Shares Issued
Convertible preferred units, units outstanding
Temporary Equity Shares Outstanding
Convertible preferred units, liquidation preference
Temporary Equity Liquidation Preference
Common units no par value
Common Units No Par Value
Common units, units authorized
Common Unit Authorized
Common units, units issued
Common Unit Issued
Common units, units outstanding
Common Unit Outstanding
Preferred stock, par value per share
Preferred Stock Par Or Stated Value Per Share
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, par value per share
Common Stock Par Or Stated Value Per Share
Common stock, shares authorized
Common Stock Shares Authorized
Common stock, shares issued
Common Stock Shares Issued
Common stock, shares outstanding
Common Stock Shares Outstanding
Technology and development expenses.
Income Statement [Abstract]
Revenue
Revenue From Contract With Customer Excluding Assessed Tax
Operating expenses:
Costs And Expenses [Abstract]
Platform operations
Cost Of Goods And Services Sold
Sales and marketing
Selling And Marketing Expense
Technology and development
Technology And Development Expenses
General and administrative
General And Administrative Expense
Total operating expenses
Costs And Expenses
Income (loss) from operations
Operating Income Loss
Interest expense, net
Interest Expense Debt
Other expense (income), net
Other Nonoperating Income Expense
Gain on extinguishment of debt
Gains Losses On Extinguishment Of Debt
Total other expense (income), net
Nonoperating Income Expense
Net income (loss)
Profit Loss
Less: Net loss attributable to noncontrolling interests
Net Income Loss Attributable To Noncontrolling Interest
Net income (loss) attributable to Viant Technology Inc.
Net Income Loss
Earnings (loss) per Class A common stock/unit:
Earnings Per Share [Abstract]
Basic
Earnings Per Share Basic
Diluted
Earnings Per Share Diluted
Weighted-average Class A common stock/units outstanding:
Weighted Average Number Of Shares Outstanding [Abstract]
Basic
Weighted Average Number Of Shares Outstanding Basic
Diluted
Weighted Average Number Of Diluted Shares Outstanding
Net income (loss) prior to reorganization transactions.
Temporary equity, share, effect of reorganization transactions.
Temporary equity, value, effect of reorganization transactions.
Stock issued during period, share, effect of reorganization transactions.
Stock issued during period, value, effect of reorganization transactions.
Number of Class A common shares issued and number of shares converted from Class B common stock to Class A common stock during the period, including those related to reorganization transactions and an initial public offering.
Value of Class A common stock issued and Class A common stock converted from Class B common stock during the period, including those related to reorganization transactions and an initial public offering, net of underwriting and offering costs.
Stock issued during period, value, allocation of equity to non-controlling interests.
Adjustments to additional paid in capital, accrued member tax distributions.
Net income (loss) subsequent to reorganization transactions.
Statement Of Stockholders Equity [Abstract]
Equity Components
Statement Equity Components [Axis]
Equity Component
Equity Component [Domain]
Common Units
Common Stock [Member]
Additional Paid-in Capital
Additional Paid In Capital [Member]
Accumulated Deficit
Retained Earnings [Member]
Members Equity.
Total Members’ Equity (Deficit)
Members Equity [Member]
Noncontrolling Interests
Noncontrolling Interest [Member]
Convertible Preferred Units
Convertible Preferred Stock [Member]
Temporary Equity, Balance
Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests
Temporary Equity, Balance, Share
Balance
Balance, Shares
Shares Outstanding
Net income prior to Reorganization Transactions
Net Income Loss Prior To Reorganization Transactions
Effect of Reorganization Transactions
Stock Issued During Period Value Effect Of Reorganization Transactions
Temporary Equity, Effect of Reorganization Transactions, Shares
Temporary Equity Share Effect Of Reorganization Transactions
Temporary Equity, Effect of Reorganization Transactions
Temporary Equity Value Effect Of Reorganization Transactions
Effect of Reorganization Transactions, Shares
Stock Issued During Period Share Effect Of Reorganization Transactions
Issuance of Class A common stock in initial public offering, net of underwriting and offering costs
Value Of Class A Common Stock Issued And Class A Common Stock Converted From Class B Common Stock During Period Including Those Related To Reorganization Transactions And Initial Public Offering Net Of Underwriting And Offering Costs
Issuance of Class A common stock in initial public offering, net of underwriting and offering costs, Shares
Number Of Class A Common Shares Issued And Number Of Shares Converted From Class B Common Stock To Class A Common Stock During Period Including Those Related To Reorganization Transactions And Initial Public Offering
Allocation of equity to noncontrolling interests
Stock Issued During Period Value Allocation Of Equity To Non Controlling Interests
Accrued member tax distributions
Adjustments To Additional Paid In Capital Accrued Member Tax Distributions
Stock-based compensation
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
Net income (loss)
Net loss subsequent to Reorganization Transactions
Net Income Loss Subsequent To Reorganization Transactions
Temporary Equity, Balance
Temporary Equity, Balance, Share
Balance
Balance, Shares
Issuance of Class A common stock in initial public offering, net of underwriting and offering costs
Stock Issued During Period Value New Issues
Issuance of Class A common stock in initial public offering, net of underwriting and offering costs, Shares
Stock Issued During Period Shares New Issues
Increase decrease in Accrued compensation.
Proceeds from paycheck protection program loan.
Payment of member tax distributions.
Accrued member tax distributions.
Noncash gain on extinguishment of debt related to PPP loan.
Statement Of Cash Flows [Abstract]
Cash flows from operating activities:
Net Cash Provided By Used In Operating Activities [Abstract]
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract]
Depreciation and amortization
Depreciation Depletion And Amortization
Stock-based compensation
Share Based Compensation
Recovery of doubtful accounts
Provision For Doubtful Accounts
Loss on disposal of assets
Gain Loss On Disposition Of Assets1
Gain on extinguishment of debt
Changes in operating assets and liabilities:
Increase Decrease In Operating Capital [Abstract]
Accounts receivable
Increase Decrease In Accounts Receivable
Prepaid expenses and other assets
Increase Decrease In Prepaid Deferred Expense And Other Assets
Accounts payable
Increase Decrease In Accounts Payable
Accrued liabilities
Increase Decrease In Accrued Liabilities
Accrued compensation
Increase Decrease In Accrued Compensation
Deferred revenue
Increase Decrease In Deferred Revenue
Other liabilities
Increase Decrease In Other Operating Liabilities
Net cash provided by operating activities
Net Cash Provided By Used In Operating Activities
Cash flows from investing activities:
Net Cash Provided By Used In Investing Activities [Abstract]
Purchases of property and equipment
Payments To Acquire Property Plant And Equipment
Capitalized software development costs
Payments To Develop Software
Net cash used in investing activities
Net Cash Provided By Used In Investing Activities
Cash flows from financing activities:
Net Cash Provided By Used In Financing Activities [Abstract]
Proceeds from Paycheck Protection Program Loan
Proceeds From Paycheck Protection Program Loan
Proceeds from issuance of common stock, net of underwriting discounts
Proceeds From Issuance Of Common Stock
Payment of member tax distributions
Payment Of Member Tax Distributions
Payment of offering costs
Payments Of Debt Issuance Costs
Net cash provided by financing activities
Net Cash Provided By Used In Financing Activities
Net increase in cash
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
Cash at beginning of period
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
Cash at end of period
Supplemental disclosure of cash flow information:
Supplemental Cash Flow Information [Abstract]
Cash paid for interest
Interest Paid Net
Supplemental disclosure of non-cash investing and financing activities:
Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract]
Stock-based compensation included in capitalized software development costs
Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount
Accrued member tax distributions
Accrued Member Tax Distributions
Capitalized assets financed by accounts payable and accrued liabilities
Capital Expenditures Incurred But Not Yet Paid
Noncash gain on extinguishment of debt related to Paycheck Protection Program loan
Noncash Gain On Extinguishment Of Debt Related To P P P Loan
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Nature of Operations
Nature Of Operations
Basis of Presentation and Summary of Significant Accounting Policies.
Basis Of Presentation And Summary Of Significant Accounting Policies [Abstract]
Basis of Presentation and Summary of Significant Accounting Policies
Basis Of Presentation And Significant Accounting Policies [Text Block]
Revenue From Contract With Customer [Abstract]
Revenue
Revenue From Contract With Customer [Text Block]
Property Plant And Equipment [Abstract]
Property, Equipment and Software, Net
Property Plant And Equipment Disclosure [Text Block]
Goodwill And Intangible Assets Disclosure [Abstract]
Intangible Assets, Net
Intangible Assets Disclosure [Text Block]
Payables And Accruals [Abstract]
Accrued Liabilities
Accounts Payable And Accrued Liabilities Disclosure [Text Block]
Debt Disclosure [Abstract]
Long-Term Debt and Revolving Credit Facility
Debt Disclosure [Text Block]
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Stock-Based Compensation
Disclosure Of Compensation Related Costs Share Based Payments [Text Block]
Income Tax Disclosure [Abstract]
Income Taxes and Tax Receivable Agreement
Income Tax Disclosure [Text Block]
Earnings (Loss) Per Share/Unit
Earnings Per Share [Text Block]
Noncontrolling Interest [Abstract]
Noncontrolling Interests
Minority Interest Disclosure [Text Block]
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies
Commitments And Contingencies Disclosure [Text Block]
Subsequent Events [Abstract]
Subsequent Events
Subsequent Events [Text Block]
Basis of presentation and principles of consolidation.
Basis of Presentation and Principles of Consolidation
Basis Of Presentation And Principles Of Consolidation Policy [Text Block]
Use of Estimates
Use Of Estimates
Fair Value of Financial Instruments
Fair Value Of Financial Instruments Policy
Stock-Based Compensation
Share Based Compensation Option And Incentive Plans Policy
Comprehensive Income (Loss)
Comprehensive Income Policy Policy [Text Block]
Non-controlling interests.
Noncontrolling Interests
Non Controlling Interests Policy [Text Block]
Earnings (Loss) Per Share
Earnings Per Share Policy [Text Block]
Earnings loss per unit.
Earnings (Loss) Per Unit
Earnings Loss Per Unit Policy [Text Block]
Accounts Receivable, Net of Allowances
Trade And Other Accounts Receivable Policy
Deferred Offering Costs
Deferred Charges Policy [Text Block]
Concentration of Risk
Concentration Risk Credit Risk
Income Taxes
Income Tax Policy [Text Block]
Tax receivable agreement.
Tax Receivable Agreement
Tax Receivable Agreement Policy [Text Block]
Recent Issued Accounting Pronouncements
New Accounting Pronouncements Policy Policy [Text Block]
Recent adopted accounting pronouncements.
Recent Adopted Accounting Pronouncements
Recent Adopted Accounting Pronouncements Policy [Text Block]
Summary of Changes in Allowance for Doubtful Accounts
Accounts Receivable Allowance For Credit Loss Table [Text Block]
Summary of Disaggregation of Revenue
Disaggregation Of Revenue Table [Text Block]
Schedule of Major Classes of Property, Equipment and Software
Property Plant And Equipment [Text Block]
Schedule of depreciation expense.
Schedule of Depreciation
Schedule Of Depreciation Expense Table [Text Block]
Summary of Balances of Intangibles Assets and Accumulated Amortization
Schedule Of Finite Lived Intangible Assets Table [Text Block]
Summary of Amortization Recorded in Consolidated Statements of Operations
Finite Lived Intangible Assets Amortization Expense Table [Text Block]
Summary of Estimated Future Amortization of Intangible Assets
Scheduleof Finite Lived Intangible Assets Future Amortization Expense Table [Text Block]
Summary of Accrued Liabilities
Schedule Of Accrued Liabilities Table [Text Block]
Schedule of Debt and Revolving Credit Facilities
Schedule Of Debt Table [Text Block]
Summary of Stock-based Compensation
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block]
Summary of RSU Activity
Schedule Of Share Based Compensation Restricted Stock Units Award Activity Table [Text Block]
Summary of Nonqualified Stock Option Activity
Schedule Of Share Based Compensation Stock Options Activity Table [Text Block]
Summary of Assumptions used in Black-Scholes Model to Determine Fair Value of Nonqualified Stock Options Granted
Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block]
Calculation of Basic and Diluted Net Earnings (Loss) Per Share/Unit
Schedule Of Earnings Per Share Basic And Diluted Table [Text Block]
Schedule of noncontrolling ownership interests.
Summary Ownership of Viant Technology LLC
Schedule Of Noncontrolling Ownership Interests Table [Text Block]
Future Minimum Payments Under Non-cancelable Operating Leases
Lessee Operating Lease Liability Maturity Table [Text Block]
Nature of Operations.
Nature of Operations.
Nature Of Operations [Table]
Nature Of Operations [Table]
Continuing members class B units.
Continuing Members Class B Units
Continuing Members Class B Units [Member]
Ownership
Ownership [Axis]
Ownership
Ownership [Domain]
Viant Technology LLC.
Viant Technology LLC
Viant Technology L L C [Member]
Sale of Stock
Subsidiary Sale Of Stock [Axis]
Sale of Stock
Sale Of Stock Name Of Transaction [Domain]
Underwriters
Over Allotment Option [Member]
Members equity class A units.
Class A Units
Members Equity Class A Units [Member]
Nature Of Operations [Line Items]
Nature Of Operations [Line Items]
Common stock shares issued for each membership unit.
Continuing members units exchange description.
Continuing members units exchange description
Continuing Members Units Exchange Description
Common stock shares issued for each membership unit
Common Stock Shares Issued For Each Membership Unit
Common stock shares issued to continuing members
Stock Issued During Period Shares Conversion Of Convertible Securities
Common stock shares issued and sold
Sale of stock, price per share
Sale Of Stock Price Per Share
Payments of stock issuance costs
Payments Of Stock Issuance Costs
Payments to acquire member units.
Member units acquired during period shares.
Payments to acquire units
Payments To Acquire Member Units
Member units acquired, units
Members Equity Units Acquired During Period
Stock issued during period shares underwrites options exercised.
Members equity units received during period conversion of units.
Underwrites options exercised shares issued
Stock Issued During Period Shares Underwrites Options Exercised
Members equity units received in exchange of units
Members Equity Units Received During Period Conversion Of Units
Common stock voting rights percentage.
Percentage of voting rights of outstanding common stock.
Common stock, voting rights
Common Stock Voting Rights
Common stock voting rights percentage
Common Stock Voting Rights Percentage
Percentage of voting rights of outstanding common stock
Percentage Of Voting Rights Of Outstanding Common Stock
Share-based compensation arrangement by share-based payment award, initial public offering lock-up period.
Basis of presentation and summary of significant accounting policies.
Basis of presentation and summary of significant accounting policies.
Basis Of Presentation And Summary Of Significant Accounting Policies [Table]
Basis Of Presentation And Summary Of Significant Accounting Policies [Table]
IPO
I P O [Member]
Concentration Risk Type
Concentration Risk By Type [Axis]
Concentration Risk Type
Concentration Risk Type [Domain]
Credit Concentration Risk
Credit Concentration Risk [Member]
Customer Concentration Risk
Customer Concentration Risk [Member]
Advertising agency risk.
Advertising Agency Risk
Advertising Agency Risk [Member]
Supplier Concentration Risk
Supplier Concentration Risk [Member]
Customer
Major Customers [Axis]
Customer
Name Of Major Customer [Domain]
Customer One.
Customer One
Customer One [Member]
Customer two.
Customer Two
Customer Two [Member]
Customer three.
Customer Three
Customer Three [Member]
Concentration Risk Benchmark
Concentration Risk By Benchmark [Axis]
Concentration Risk Benchmark
Concentration Risk Benchmark [Domain]
Accounts Receivable
Accounts Receivable [Member]
Consolidated Revenue
Revenue From Contract With Customer [Member]
Accounts payable and accrued liabilities current.
Accounts Payable and Accrued Liabilities
Accounts Payable And Accrued Liabilities Current [Member]
Supplier
Share Based Goods And Nonemployee Services Transaction By Supplier [Axis]
Supplier
Share Based Goods And Nonemployee Services Transaction Supplier [Domain]
Supplier one.
Supplier One
Supplier One [Member]
Supplier two.
Supplier Two
Supplier Two [Member]
Supplier three.
Supplier Three
Supplier Three [Member]
Advertising agency one.
Advertising Agency One
Advertising Agency One [Member]
Advertising agency two.
Advertising Agency Two
Advertising Agency Two [Member]
Variable Rate
Variable Rate [Axis]
Variable Rate
Variable Rate [Domain]
Secured Overnight Financing Rate (SOFR).
SOFR
Secured Overnight Financing Rate S O F R [Member]
Accounting Standards Update
Adjustments For New Accounting Pronouncements [Axis]
Accounting Standards Update
Type Of Adoption [Member]
ASU 2018-15
Accounting Standards Update201815 [Member]
ASU 2019-12
Accounting Standards Update201912 [Member]
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Share-based compensation arrangement by share-based payment award, initial public offering lock-up period
Share Based Compensation Arrangement By Share Based Payment Award Initial Public Offering Lock Up Period
Balance as of December 31, 2020
Allowance For Doubtful Accounts Receivable Current
Write-offs, net of recoveries
Allowance For Doubtful Accounts Receivable Write Offs
Balance as of March 31, 2021
Deferred offering costs capitalized
Deferred Offering Costs
Number of customer.
Number of supplier.
Number of advertising agency.
Number of customer
Number Of Customer
Concentration risk, percentage
Concentration Risk Percentage1
Number of advertising agency
Number Of Advertising Agency
Number of supplier
Number Of Supplier
Percentage of economic interest held
Minority Interest Ownership Percentage By Parent
Tax receivable agreement required to make payments to shareholders realized percentage of tax benefits in event that exchange of units to shares.
Tax receivable agreement expected remaining tax benefit percentage.
Tax receivable agreement required to make payments to shareholders realized percentage of tax benefits in event that exchange of units to shares
Tax Receivable Agreement Required To Make Payments To Shareholders Realized Percentage Of Tax Benefits In Event That Exchange Of Units To Shares
Tax receivable agreement expected remaining tax benefit percentage
Tax Receivable Agreement Expected Remaining Tax Benefit Percentage
Tax receivable agreement interest payments accrued basis spread rate.
Tax receivable agreement interest payments accrued basis spread rate
Tax Receivable Agreement Interest Payments Accrued Basis Spread Rate
Change in accounting principle, accounting standards update, adopted [true false]
Change In Accounting Principle Accounting Standards Update Adopted
Change in accounting principle, accounting standards update, adoption date
Change In Accounting Principle Accounting Standards Update Adoption Date
Change in accounting principle, accounting standards update, immaterial effect [true false]
Change In Accounting Principle Accounting Standards Update Immaterial Effect
Disaggregation Of Revenue [Table]
Disaggregation Of Revenue [Table]
Timing of Transfer of Good or Service
Timing Of Transfer Of Good Or Service [Axis]
Timing of Transfer of Good or Service
Timing Of Transfer Of Good Or Service [Domain]
Over-Time Revenue
Transferred Over Time [Member]
Point-in-Time Revenue
Transferred At Point In Time [Member]
Disaggregation Of Revenue [Line Items]
Disaggregation Of Revenue [Line Items]
Contract with Customer, Duration
Contract With Customer Duration [Axis]
Contract with Customer, Duration
Contract With Customer Duration [Domain]
Expected Duration of Greater Than One Year
Long Term Contract With Customer [Member]
Expected to be Recognized within One Year
Short Term Contract With Customer [Member]
Revenue, remaining performance obligation amount
Revenue Remaining Performance Obligation
Contract with customer, liability, revenue recognized
Contract With Customer Liability Revenue Recognized
Schedule Of Property Plant And Equipment [Table]
Schedule Of Property Plant And Equipment [Table]
Long-Lived Tangible Asset
Property Plant And Equipment By Type [Axis]
Long-Lived Tangible Asset
Property Plant And Equipment Type [Domain]
Capitalized software development costs.
Capitalized Software Development Costs
Capitalized Software Development Costs [Member]
Computer Equipment
Computer Equipment [Member]
Purchased Software
Software And Software Development Costs [Member]
Furniture, fixtures and office equipment.
Furniture, Fixtures and Office Equipment
Furniture Fixtures And Office Equipment [Member]
Leasehold Improvements
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Property Plant And Equipment [Line Items]
Total property, equipment and software
Property Plant And Equipment Gross
Less: Accumulated depreciation
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Total property, equipment and software, net
Income Statement Location
Income Statement Location [Axis]
Income Statement Location
Income Statement Location [Domain]
Platform operations.
Platform Operations
Platform Operations [Member]
Sales and Marketing
Selling And Marketing Expense [Member]
Technology and development.
Technology and Development
Technology And Development [Member]
General and Administrative
General And Administrative Expense [Member]
Depreciation
Depreciation
Interest cost incurred
Interest Expense
Schedule Of Finite Lived Intangible Assets [Table]
Schedule Of Finite Lived Intangible Assets [Table]
Finite-Lived Intangible Assets by Major Class
Finite Lived Intangible Assets By Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name
Finite Lived Intangible Assets Major Class Name [Domain]
Developed Technology
Developed Technology Rights [Member]
Customer Relationships
Customer Relationships [Member]
Trademarks/Tradenames
Trademarks And Trade Names [Member]
Finite Lived Intangible Assets [Line Items]
Finite Lived Intangible Assets [Line Items]
Remaining Weighted Average Useful Life
Acquired Finite Lived Intangible Assets Weighted Average Useful Life
Gross Amount
Finite Lived Intangible Assets Gross
Accumulated Amortization
Finite Lived Intangible Assets Accumulated Amortization
Net Carrying Amount
Amortization
Amortization Of Intangible Assets
Remainder of 2021
Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year
2022
Finite Lived Intangible Assets Amortization Expense Next Twelve Months
2023
Finite Lived Intangible Assets Amortization Expense Year Two
2024
Finite Lived Intangible Assets Amortization Expense Year Three
2025
Finite Lived Intangible Assets Amortization Expense Year Four
Thereafter
Finite Lived Intangible Assets Amortization Expense After Year Four
Accrued traffic acquisition costs.
Accrued traffic acquisition costs
Accrued Traffic Acquisition Costs
Other accrued liabilities
Other Accrued Liabilities Current
Total accrued liabilities
Debt Instrument [Table]
Debt Instrument [Table]
Debt Instrument
Debt Instrument [Axis]
Debt Instrument, Name
Debt Instrument Name [Domain]
Paycheck Protection Program Loan.
Paycheck Protection Program Loan
Paycheck Protection Program Loan [Member]
Credit Facility
Credit Facility [Axis]
Credit Facility
Credit Facility [Domain]
Revolving Credit Facility
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Total debt
Long Term Debt
Less: Current portion of long-term debt
Total long-term debt
Line Of Credit Facility [Abstract]
Line Of Credit Facility [Table]
Line Of Credit Facility [Table]
Loan Restructuring Modification
Loan Restructuring Modification [Axis]
Loan Restructuring Modification
Loan Restructuring Modification [Domain]
Principal Forgiveness
Principal Forgiveness [Member]
Accrued interest forgiveness.
Accrued Interest Forgiveness
Accrued Interest Forgiveness [Member]
Collaborative Arrangement and Arrangement Other than Collaborative
Type Of Arrangement [Axis]
Collaborative Arrangement and Arrangement Other than Collaborative
Arrangements And Nonarrangement Transactions [Member]
Loan agreement.
Loan Agreement
Loan Agreement [Member]
Lender Name
Line Of Credit Facility [Axis]
Line of Credit Facility, Lender
Line Of Credit Facility Lender [Domain]
PNC Bank.
PNC Bank
P N C Bank [Member]
Domestic Rate Loans
Federal Funds Effective Swap Rate [Member]
LIBOR Rate Loans
London Interbank Offered Rate Libor Swap Rate [Member]
Statistical Measurement
Range [Axis]
Statistical Measurement
Range [Member]
Minimum
Minimum [Member]
Maximum
Maximum [Member]
Line Of Credit Facility [Line Items]
Line Of Credit Facility [Line Items]
Proceeds from loan amount
Proceeds From Issuance Of Long Term Debt
Debt instrument forgiveness
Debt Instrument Decrease Forgiveness
Senior secured revolving credit facility initiation date
Line Of Credit Facility Initiation Date1
Senior secured revolving credit facility, maximum borrowing capacity
Line Of Credit Facility Maximum Borrowing Capacity
Senior secured revolving credit facility maturity date
Line Of Credit Facility Expiration Date1
Debt instrument, basis spread on variable rate plus margin
Debt Instrument Basis Spread On Variable Rate1
Weighted average interest rate
Long Term Debt Weighted Average Interest Rate Over Time
Facility fee for undrawn amounts
Line Of Credit Facility Unused Capacity Commitment Fee Percentage
Line of credit facility, covenant terms
Line Of Credit Facility Covenant Terms
Line of credit facility, covenant compliance
Line Of Credit Facility Covenant Compliance
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Plan Name
Plan Name [Axis]
Plan Name
Plan Name [Domain]
Two thousand and twenty one long term incentive plan.
2021 LTIP
Two Thousand And Twenty One Long Term Incentive Plan [Member]
Award Type
Award Type [Axis]
Award Type
Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]
Restricted Stock Units
Restricted Stock Units R S U [Member]
Nonqualified stock options.
Nonqualified Stock Options
Nonqualified Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based payment award equity instruments other than options grants in period
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period
Shares remained available for grant
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table]
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Stock-Based Compensation expense
Allocated Share Based Compensation Expense
RSUs outstanding, beginning balance
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
Number of Shares, Granted
Number of Shares, Vested
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period
Number of Shares, Canceled/forfeited
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period
RSUs outstanding, ending balance
Weighted-Average Grant-Date Fair Value of RSUs outstanding, beginning balance
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 of RSUs, Granted
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 of RSUs, Vested
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value
Weighted-Average Grant-Date Fair Value of RSUs, Canceled/forfeited
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value
Weighted-Average Grant-Date Fair Value of RSUs outstanding, ending balance
Unrecognized stock-based compensation expected to be recognized
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
Unrecognized stock-based compensation expected to be recognized over a weighted-average period
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
Number of Options outstanding, beginning balance
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
Number of Options, Granted
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
Number of Options, Exercised
Stock Issued During Period Shares Stock Options Exercised
Number of Options, Canceled
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period
Number of Options, Expired
Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period
Number of Options outstanding, ending balance
Weighted-Average Exercise Price of Options outstanding, beginning balance
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
Weighted-Average Exercise Price of Options, Granted
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
Weighted-Average Exercise Price of Options, Exercised
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
Weighted-Average Exercise Price of Options, Canceled
Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price
Weighted-Average Exercise Price of Options, Expired
Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price
Weighted-Average Exercise Price of Options outstanding, ending balance
Canceled
Weighted-Average Remaining Contractual Term of Options outstanding
Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
Aggregate Intrinsic Value of Options outstanding
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
Weighted-average grant-date fair value of stock options granted
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
Weighted-average grant-date stock options vested
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares
Weighted-average grant-date stock options exercisable
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
Risk free interest rate
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
Expected volatility
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
Expected term (in years)
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
Expected dividend yield
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
Expected dividend yield assumption
Percentage of exclusive of non-controlling interest due to income tax expense/(benefit) not recognize on share of pre-tax book income (loss).
U.S. statutory federal income tax rate
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
Percentage of exclusive of non-controlling interest due to income tax expense/(benefit) not recognize on share of pre-tax book income (loss)
Percentage Of Exclusive Of Non Controlling Interest Due To Income Tax Expense Benefit Not Recognize On Share Of Pre Tax Book Income Loss
Effective tax rate
Effective Income Tax Rate Continuing Operations
Tax receivable agreement liability.
TRA liability
Tax Receivable Agreement Liability
Antidilutive securities excluded from earnings (loss) per share.
Antidilutive Securities
Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis]
Antidilutive Securities, Name
Antidilutive Securities Name [Domain]
Non-qualified Stock Options
Numerator
Net Income Loss Available To Common Stockholders Basic [Abstract]
Less: Undistributed earnings attributable to participating securities
Undistributed Earnings Loss Allocated To Participating Securities Basic
Net income (loss) attributable to Viant Technology Inc./common unitholders
Net Income Loss Available To Common Stockholders Basic
Weighted-average shares of Class A common stock/units outstanding—basic
Convertible preferred units
Incremental Common Shares Attributable To Conversion Of Preferred Stock
Weighted-average shares of Class A common stock/units outstanding—diluted
Earnings (loss) per share of Class A common stock/unit—basic
Earnings (loss) per share of Class A common stock/unit—diluted
Anti-dilutive shares/units excluded from earnings (loss) per share of Class A common stock/unit—diluted:
Antidilutive Securities Excluded From Earnings Loss Per Share [Abstract]
Total shares excluded from earnings (loss) per share of Class A common stock/unit—diluted
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
Exchange units for shares of common stock.
Minority Interest [Table]
Minority Interest [Table]
Minority Interest [Line Items]
Minority Interest [Line Items]
Common stock, conversion basis
Common Stock Conversion Basis
Exchange units for shares of common stock
Exchange Units For Shares Of Common Stock
Number of units owned.
Legal Entity
Legal Entity [Axis]
Entity
Entity [Domain]
Viant Technology Inc.
Viant Technology Inc.
Viant Technology Inc [Member]
Units Owned
Number Of Units Owned
Economic interests ownership percentage.
Ownership interest percentage.
Ownership percentage by Viant Technology Inc.
Minority Interest Ownership Percentage By Noncontrolling Owners
Ownership percentage by non-controlling interests
Economic Interests Ownership Percentage
Ownership Percentage
Ownership Interest Percentage
Lease expiration year.
Commitments and contingencies.
Commitments and contingencies.
Commitments And Contingencies [Table]
Commitments And Contingencies [Table]
Balance Sheet Location
Balance Sheet Location [Axis]
Balance Sheet Location
Balance Sheet Location [Domain]
Other Current Liabilities
Other Current Liabilities [Member]
Other Long-Term Liabilities
Other Noncurrent Liabilities [Member]
Commitments And Contingencies [Line Items]
Commitments And Contingencies [Line Items]
Operating lease, description
Lessee Operating Lease Description
Lease expiration period
Lease Expiration Year
Rent expense
Lease And Rental Expense
Current portion of deferred rent
Operating Lease Liability Current
Noncurrent portion of deferred rent
Operating Lease Liability Noncurrent
Lessee operating lease liability payments due year four and thereafter.
Remainder of 2021
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
2022
Lessee Operating Lease Liability Payments Due Next Twelve Months
2023
Lessee Operating Lease Liability Payments Due Year Two
2024
Lessee Operating Lease Liability Payments Due Year Three
2025 and thereafter
Lessee Operating Lease Liability Payments Due Year Four And Thereafter
Total minimum payments
Lessee Operating Lease Liability Payments Due
Contractual obligation amount
Contractual Obligation
Restricted stock shares vested net of shares.
Shares repurchased average fair value price.
Subsequent Event [Table]
Subsequent Event [Table]
Subsequent Event Type
Subsequent Event Type [Axis]
Subsequent Event Type
Subsequent Event Type [Domain]
Subsequent Event
Subsequent Event [Member]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
RSUs vested
Restricted Stock Shares Vested Net Of Shares
Shares repurchased, value
Stock Repurchased During Period Value
Shares repurchased
Stock Repurchased During Period Shares
Share repurchase, average fair value price
Shares Repurchased Average Fair Value Price