$PUBM
PubMatic, Inc. Stock $pubm

$pubm Overview Financials Valuation SEC Filings Company Website

2023 Q4 Form 10-K Financial Statement

#000142293024000012 Filed on February 28, 2024

Income Statement

Concept	2023 Q4	2023
Revenue	$84.60M	$267.0M
YoY Change	13.87%	4.15%
Cost Of Revenue	$24.21M	$99.23M
YoY Change	5.46%	21.74%
Gross Profit	$60.39M	$167.8M
YoY Change	17.63%	-4.05%
Gross Profit Margin	71.39%	62.84%
Selling, General & Admin	$33.13M	$139.0M
YoY Change	14.65%	22.48%
% of Gross Profit	54.86%	82.86%
Research & Development	$6.846M	$26.73M
YoY Change	15.68%	28.21%
% of Gross Profit	11.34%	15.93%
Depreciation & Amortization	$11.04M	$28.50M
YoY Change	3.54%	20.76%
% of Gross Profit	18.28%	16.99%
Operating Expenses	$39.98M	$165.7M
YoY Change	14.82%	23.37%
Operating Profit	$20.41M	$2.036M
YoY Change	23.54%	-94.98%
Interest Expense	$1.015M	$7.328M
YoY Change	-122.89%	-265.27%
% of Operating Profit	4.97%	359.92%
Other Income/Expense, Net	$2.632M	$8.469M
YoY Change	801.37%	-377.4%
Pretax Income	$23.05M	$10.51M
YoY Change	37.05%	-71.96%
Income Tax	$4.343M	$1.624M
% Of Pretax Income	18.85%	15.46%
Net Earnings	$18.70M	$8.881M
YoY Change	46.33%	-69.06%
Net Earnings / Revenue	22.11%	3.33%
Basic Earnings Per Share		$0.17
Diluted Earnings Per Share	$0.16	$0.16
COMMON SHARES
Basic Shares Outstanding	51.76M shares	51.76M shares
Diluted Shares Outstanding	56.03M shares	56.03M shares

Balance Sheet

Concept	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$175.3M	$175.3M
YoY Change	0.54%	0.54%
Cash & Equivalents	$78.51M	$78.51M
Short-Term Investments	$96.84M	$96.84M
Other Short-Term Assets	$11.14M	$11.14M
YoY Change	-24.63%	-24.63%
Inventory
Prepaid Expenses
Receivables	$375.5M	$375.5M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$562.0M	$562.0M
YoY Change	11.61%	11.61%
LONG-TERM ASSETS
Property, Plant & Equipment	$60.73M	$81.83M
YoY Change	-14.65%	-15.95%
Goodwill	$29.60M
YoY Change	0.08%
Intangibles	$5.864M
YoY Change	-29.34%
Long-Term Investments
YoY Change
Other Assets	$2.136M	$16.02M
YoY Change	-11.44%	363.02%
Total Long-Term Assets	$133.3M	$133.3M
YoY Change	-3.9%	-3.9%
TOTAL ASSETS
Total Short-Term Assets	$562.0M	$562.0M
Total Long-Term Assets	$133.3M	$133.3M
Total Assets	$695.2M	$695.2M
YoY Change	8.26%	8.26%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$347.7M	$347.7M
YoY Change	25.33%	25.33%
Accrued Expenses	$25.68M	$31.92M
YoY Change	35.64%	29.69%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due		$133.0K
YoY Change		6.4%
Total Short-Term Liabilities	$379.6M	$379.6M
YoY Change	25.68%	25.68%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$483.0K
YoY Change		-21.59%
Other Long-Term Liabilities	$3.844M	$19.45M
YoY Change	-40.61%	-28.98%
Total Long-Term Liabilities	$3.844M	$19.45M
YoY Change	-40.61%	-28.98%
TOTAL LIABILITIES
Total Short-Term Liabilities	$379.6M	$379.6M
Total Long-Term Liabilities	$3.844M	$19.45M
Total Liabilities	$399.0M	$399.0M
YoY Change	20.93%	20.93%
SHAREHOLDERS EQUITY
Retained Earnings	$136.9M
YoY Change	6.94%
Common Stock	$6.000K
YoY Change	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$71.10M
YoY Change	519.04%
Treasury Stock Shares
Shareholders Equity	$296.2M	$296.2M
YoY Change
Total Liabilities & Shareholders Equity	$695.2M	$695.2M
YoY Change	8.26%	8.26%

Cashflow Statement

Concept	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$18.70M	$8.881M
YoY Change	46.33%	-69.06%
Depreciation, Depletion And Amortization	$11.04M	$28.50M
YoY Change	3.54%	20.76%
Cash From Operating Activities	$28.67M	$81.12M
YoY Change	48.12%	-6.98%
INVESTING ACTIVITIES
Capital Expenditures	$9.139M	$10.60M
YoY Change	-25.91%	-70.45%
Acquisitions		$0.00
YoY Change		-100.0%
Other Investing Activities	-$22.17M	-$10.73M
YoY Change	-168.18%	-66.96%
Cash From Investing Activities	-$31.31M	-$39.02M
YoY Change	-255.12%	-52.05%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$59.27M
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-16.59M	-$55.98M
YoY Change	-2605.29%	-1486.92%
NET CHANGE
Cash From Operating Activities	28.67M	$81.12M
Cash From Investing Activities	-31.31M	-$39.02M
Cash From Financing Activities	-16.59M	-$55.98M
Net Change In Cash	-19.22M	-$13.87M
YoY Change	-147.81%	-240.46%
FREE CASH FLOW
Cash From Operating Activities	$28.67M	$81.12M
Capital Expenditures	$9.139M	$10.60M
Free Cash Flow	$19.53M	$70.52M
YoY Change	178.16%	37.35%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	201443000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	176119000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	140714000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	104963000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	60729000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	71156000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	28500000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	23600000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	15700000	usd
CY2021	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	10300000	usd
CY2023	us-gaap	Capitalized Computer Software Impairments1 CapitalizedComputerSoftwareImpairments1	0	usd
CY2022Q4	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	266506000	usd
CY2022Q4	us-gaap	Accounts Payable Other Current AccountsPayableOtherCurrent	10908000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	277414000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	14587000	usd
CY2022Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	4349000	usd
CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	18936000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	7468000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	6876000	usd
CY2022Q4	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#AccruedLiabilitiesCurrent
CY2023Q4	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#AccruedLiabilitiesCurrent
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesNoncurrent
CY2023Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesNoncurrent
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	18936000	usd
CY2023	dei	Auditor Firm AuditorFirmId	34
CY2023	dei	Auditor Name AuditorName	DELOITTE & TOUCHE LLP
CY2023	dei	Auditor Location AuditorLocation	San Jose, California
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	78509000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	92382000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	96835000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	82013000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	375468000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	314299000	usd
CY2023Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	11143000	usd
CY2022Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	14784000	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	561955000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	503478000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	60729000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	71156000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	21102000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	26206000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	5864000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	8299000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	29577000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	29577000	usd
CY2023Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	13880000	usd
CY2022Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	1047000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2136000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2412000	usd
CY2023Q4	us-gaap	Assets Assets	695243000	usd
CY2022Q4	us-gaap	Assets Assets	642175000	usd
CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	347673000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	277414000	usd
CY2023Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	25684000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6236000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	5676000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	379593000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	302026000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	15607000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	20915000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	0	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	573000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	3844000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	6473000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	399044000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	329987000	usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2023Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	6000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	6000	usd
CY2023Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	7180000	shares
CY2022Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	3140000	shares
CY2023Q4	us-gaap	Treasury Stock Value TreasuryStockValue	71103000	usd
CY2022Q4	us-gaap	Treasury Stock Value TreasuryStockValue	11486000	usd
CY2023Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	230419000	usd
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	195677000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-4000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-9000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	136881000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	128000000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	296199000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	312188000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	695243000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	642175000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	267014000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	256380000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	226908000	usd
CY2023	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	99229000	usd
CY2022	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	81512000	usd
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	58313000	usd
CY2023	us-gaap	Gross Profit GrossProfit	167785000	usd
CY2022	us-gaap	Gross Profit GrossProfit	174868000	usd
CY2021	us-gaap	Gross Profit GrossProfit	168595000	usd
CY2023	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	26727000	usd
CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	20846000	usd
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	15885000	usd
CY2023	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	82803000	usd
CY2021	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	58160000	usd
CY2023	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	56219000	usd
CY2022	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	68562000	usd
CY2022	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	44940000	usd
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CY2023	us-gaap	Operating Expenses OperatingExpenses	165749000	usd
CY2022	us-gaap	Operating Expenses OperatingExpenses	134348000	usd
CY2021	us-gaap	Operating Expenses OperatingExpenses	109806000	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	2036000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	40520000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	58789000	usd
CY2023	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	8828000	usd
CY2022	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	2214000	usd
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	300000	usd
CY2023	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	0	usd
CY2022	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	5948000	usd
CY2021	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	5433000	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-359000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	681000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	281000	usd
CY2023	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	8469000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-3053000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	6014000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	10505000	usd
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CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1624000	usd
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CY2022	us-gaap	Net Income Loss NetIncomeLoss	28705000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	56604000	usd
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CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	28732000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	56567000	usd
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CY2023	us-gaap	Net Income Loss NetIncomeLoss	8881000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	296199000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	8881000	usd
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CY2023	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	44770000	usd
CY2022	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	34249000	usd
CY2021	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	23073000	usd
CY2023	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	0	usd
CY2022	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-5948000	usd
CY2021	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	5433000	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	28862000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	20646000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	14107000	usd
CY2023	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	5675000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	0	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	0	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-13406000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-7166000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	4753000	usd
CY2023	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	4093000	usd
CY2022	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	577000	usd
CY2021	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	45000	usd
CY2023	pubm	Non Cash Lease Expense NonCashLeaseExpense	6145000	usd
CY2022	pubm	Non Cash Lease Expense NonCashLeaseExpense	5831000	usd
CY2021	pubm	Non Cash Lease Expense NonCashLeaseExpense	2042000	usd
CY2023	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-45000	usd
CY2022	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-90000	usd
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-45000	usd
CY2023	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	75716000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	24408000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	67405000	usd
CY2023	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-3918000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1595000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	7681000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	79687000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	29763000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	68301000	usd
CY2023	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	3035000	usd
CY2022	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-1024000	usd
CY2021	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	3530000	usd
CY2023	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-5789000	usd
CY2022	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-5539000	usd
CY2021	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-2283000	usd
CY2023	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-893000	usd
CY2022	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	2289000	usd
CY2021	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-927000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	81121000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	87212000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	88681000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	10601000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	35869000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	30432000	usd
CY2023	us-gaap	Payments To Develop Software PaymentsToDevelopSoftware	17687000	usd
CY2022	us-gaap	Payments To Develop Software PaymentsToDevelopSoftware	13024000	usd
CY2021	us-gaap	Payments To Develop Software PaymentsToDevelopSoftware	8929000	usd
CY2023	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	140603000	usd
CY2022	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	137793000	usd
CY2021	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	90562000	usd
CY2023	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	18873000	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2023	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	111000000	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	133400000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	33200000	usd
CY2023	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	28085000	usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-39018000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-81371000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-96723000	usd
CY2023	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	0	usd
CY2022	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	0	usd
CY2021	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	-806000	usd
CY2023	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	1869000	usd
CY2022	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	2960000	usd
CY2021	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	4804000	usd
CY2023	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1549000	usd
CY2022	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1195000	usd
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	5423000	usd
CY2023	pubm	Payments For Cancelation Of Stock Options PaymentsForCancelationOfStockOptions	126000	usd
CY2022	pubm	Payments For Cancelation Of Stock Options PaymentsForCancelationOfStockOptions	119000	usd
CY2021	pubm	Payments For Cancelation Of Stock Options PaymentsForCancelationOfStockOptions	10000	usd
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	59268000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	9359000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	9877000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1317000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	81188000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	78509000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	92382000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	82505000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	15631000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	9190000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	6786000	usd
CY2023	pubm	Stock Based Compensation Capitalized As Internal Use Software Costs StockBasedCompensationCapitalizedAsInternalUseSoftwareCosts	2462000	usd
CY2022	pubm	Stock Based Compensation Capitalized As Internal Use Software Costs StockBasedCompensationCapitalizedAsInternalUseSoftwareCosts	1475000	usd
CY2021	pubm	Stock Based Compensation Capitalized As Internal Use Software Costs StockBasedCompensationCapitalizedAsInternalUseSoftwareCosts	903000	usd
CY2023	pubm	Property And Equipment Included In Accounts Payable And Accrued Expenses PropertyAndEquipmentIncludedInAccountsPayableAndAccruedExpenses	203000	usd
CY2022	pubm	Property And Equipment Included In Accounts Payable And Accrued Expenses PropertyAndEquipmentIncludedInAccountsPayableAndAccruedExpenses	749000	usd
CY2021	pubm	Property And Equipment Included In Accounts Payable And Accrued Expenses PropertyAndEquipmentIncludedInAccountsPayableAndAccruedExpenses	49000	usd
CY2023	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	2966000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1796000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1794000	usd
CY2023	pubm	Noncash Or Part Noncash Acquisition Indemnification Claims Holdback NoncashOrPartNoncashAcquisitionIndemnificationClaimsHoldback	2148000	usd
CY2023	pubm	Noncash Or Part Noncash Acquisition Indemnification Claims Holdback NoncashOrPartNoncashAcquisitionIndemnificationClaimsHoldback	2148000	usd
CY2022	pubm	Noncash Or Part Noncash Acquisition Indemnification Claims Holdback NoncashOrPartNoncashAcquisitionIndemnificationClaimsHoldback	2148000	usd
CY2021	pubm	Noncash Or Part Noncash Acquisition Indemnification Claims Holdback NoncashOrPartNoncashAcquisitionIndemnificationClaimsHoldback	0	usd
CY2023	us-gaap	Nature Of Operations NatureOfOperations	Organization and Description of Business<div style="margin-top:6pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">PubMatic, Inc. (together with its subsidiaries, the “Company” or “PubMatic”) was founded in 2006. The Company has offices in California, New York, Europe, Asia, and Australia. The Company provides a specialized cloud infrastructure platform that enables real-time programmatic advertising transactions. The purpose-built technology and infrastructure provides superior outcomes for both publishers and advertisers leveraging an efficient design, machine learning, and data processing capabilities, with customer alignment and global omnichannel reach.</span></div>
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:9pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-top:6pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of the consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts of assets and liabilities reported, disclosures about contingent assets and liabilities, and reported amounts of revenue and expenses.</span></div><div style="margin-top:6pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Significant items subject to such estimates include: revenue recognition criteria, including the determination of revenue reporting as net versus gross in the Company’s revenue arrangements, internal use software development costs, stock-based compensation, acquisition-related intangible assets, and income taxes, including the valuation reserve on deferred tax assets. The Company evaluates its estimates and assumptions on an ongoing basis using historical experience and other factors and adjusts those estimates and assumptions when facts and circumstances dictate. Actual results could materially differ from those estimates and assumptions. </span></div>Due to the inherent uncertainty involved in making assumptions and estimates, events and changes in circumstances arising after December 31, 2023, including macroeconomic factors, may result in actual outcomes that differ from those contemplated by the Company’s assumptions and estimates.
CY2023	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-top:9pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Concentration of Credit Risk</span></div><div style="margin-top:6pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Financial instruments that potentially subject the Company to concentration of credit risk consist principally of cash and cash equivalents, marketable securities, and accounts receivable. The Company maintains its cash and cash equivalents with financial institutions in amounts which exceed Federal Deposit Insurance Corporation limits.</span></div><div style="margin-top:6pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company’s investment policy limits investments to certain types of securities issued by the U.S. government and its agencies and institutions with investment-grade credit ratings and places restrictions on maturities and concentration by type and issuer. The primary objective of its investment activities is to preserve principal while maximizing income without significantly increasing risk.</span></div><div style="margin-top:6pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company defines its revenue concentration based on revenue recognized from individual publishers. For the years ended December 31, 2023, no publisher represented more than 10% of the Company’s revenue. For the years ended December 31, 2022 and 2021, one publisher represented 13% and 17% respectively, of the Company’s revenue. As of December 31, 2023, three buyers accounted for 30%, 21%, and 14%, respectively, of accounts receivable. As of December 31, 2022, three buyers accounted for 33%, 15%, and 11%, respectively, of accounts receivable.</span></div>
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1765000	usd
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1989000	usd
CY2023	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	14547000	usd
CY2022	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	0	usd
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	0	usd
CY2023	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	15542000	usd
CY2022	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	0	usd
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	224000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	770000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1765000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1765000	usd
CY2023	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	14500000	usd
CY2023	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	14500000	usd
CY2023	pubm	Accounts Receivable Chargeback To Publishers AccountsReceivableChargebackToPublishers	8800000	usd
CY2023	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	5700000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Useful Life PropertyPlantAndEquipmentUsefulLife	P3Y
CY2022	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	5900000	usd
CY2023	us-gaap	Advertising Expense AdvertisingExpense	100000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	300000	usd
CY2021	us-gaap	Advertising Expense AdvertisingExpense	500000	usd
CY2023	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	1500000	usd
CY2022	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-700000	usd
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-100000	usd
CY2023	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Current DebtSecuritiesAvailableForSaleAmortizedCostCurrent	96839000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	15000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	19000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	96835000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Current DebtSecuritiesAvailableForSaleAmortizedCostCurrent	82022000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	19000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	28000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	82013000	usd
CY2023	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	21300000	usd
CY2022	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	14500000	usd
CY2023	pubm	Capitalized Computer Software Fully Amortized Costs Removed CapitalizedComputerSoftwareFullyAmortizedCostsRemoved	5900000	usd
CY2021	us-gaap	Capitalized Computer Software Impairments1 CapitalizedComputerSoftwareImpairments1	0	usd
CY2022	us-gaap	Capitalized Computer Software Impairments1 CapitalizedComputerSoftwareImpairments1	0	usd
CY2023Q4	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	335061000	usd
CY2023Q4	us-gaap	Accounts Payable Other Current AccountsPayableOtherCurrent	12612000	usd
CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	347673000	usd
CY2023Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	18784000	usd
CY2023Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	6900000	usd
CY2023Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	25684000	usd
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	5789000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	5015000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1041000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	10424000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	21102000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	26206000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6236000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	5676000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	15607000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	20915000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	21843000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	26591000	usd
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset Before Accumulated Amortization FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization	869000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset Before Accumulated Amortization FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization	869000	usd
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	362000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	188000	usd
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	507000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	681000	usd
CY2023Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	133000	usd
CY2022Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	125000	usd
CY2023Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	483000	usd
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	616000	usd
CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	616000	usd
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	741000	usd
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y8M12D
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y7M6D
CY2023Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P4Y3M18D
CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P5Y3M18D
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0323
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0322
CY2023Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0224
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0224
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	6842000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	145000	usd
CY2023Q4	pubm	Lessee Operating And Finance Lease Liability To Be Paid Year One LesseeOperatingAndFinanceLeaseLiabilityToBePaidYearOne	6987000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	5423000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	149000	usd
CY2023Q4	pubm	Lessee Operating And Finance Lease Liability To Be Paid Year Two LesseeOperatingAndFinanceLeaseLiabilityToBePaidYearTwo	5572000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	5632000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	153000	usd
CY2023Q4	pubm	Lessee Operating And Finance Lease Liability To Be Paid Year Three LesseeOperatingAndFinanceLeaseLiabilityToBePaidYearThree	5785000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	4278000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	158000	usd
CY2023Q4	pubm	Lessee Operating And Finance Lease Liability To Be Paid Year Four LesseeOperatingAndFinanceLeaseLiabilityToBePaidYearFour	4436000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	994000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	41000	usd
CY2023Q4	pubm	Lessee Operating And Finance Lease Liability To Be Paid Year Five LesseeOperatingAndFinanceLeaseLiabilityToBePaidYearFive	1035000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	23169000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	646000	usd
CY2023Q4	pubm	Lessee Operating And Finance Lease Liability To Be Paid LesseeOperatingAndFinanceLeaseLiabilityToBePaid	23815000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1326000	usd
CY2023Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	30000	usd
CY2023Q4	pubm	Lessee Operating And Finance Lease Liability Undiscounted Excess Amount LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount	1356000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	21843000	usd
CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	616000	usd
CY2023Q4	pubm	Operating And Finance Lease Liability OperatingAndFinanceLeaseLiability	22459000	usd
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	7.38
CY2023Q4	us-gaap	Goodwill Goodwill	29600000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	29600000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	8900000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	3036000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	5864000	usd
CY2023	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P3Y9M
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	8900000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	601000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	8299000	usd
CY2022	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P4Y5M8D
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2400000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	600000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	1580000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1580000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1580000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	1124000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	5864000	usd
CY2023Q4	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	18314000	usd
CY2023Q4	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	6278000	usd
CY2023Q4	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	179000	usd
CY2023Q4	us-gaap	Contractual Obligation ContractualObligation	24771000	usd
CY2023Q4	pubm	Number Of Debt Instruments NumberOfDebtInstruments	2	instrument
CY2023	pubm	Share Based Compensation Arrangement Automatic Annual Increase Term ShareBasedCompensationArrangementAutomaticAnnualIncreaseTerm	10	calendaryear
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Discount From Market Price Purchase Date ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate	0.05
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	6476000	shares
CY2023Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y1M6D
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	55516000	usd
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	1375000	shares
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	15.33
CY2023	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	575000	shares
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	2.69
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	180000	shares
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	16.09
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	17000	shares
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	32.14
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7079000	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	9.02
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y9M10D
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	67418000	usd
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	5594000	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	6.65
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y18D
CY2023Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	64803000	usd
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	7500000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	6400000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	80700000	usd
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	8.58
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	13.70
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	20.30
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Nonvested SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested	20264000	usd
CY2023Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Nonvested SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested	47859000	usd
CY2023	pubm	Share Based Compensation Arrangement Automatic Annual Increase Term ShareBasedCompensationArrangementAutomaticAnnualIncreaseTerm	10	calendaryear
CY2023Q4	pubm	Share Based Compensation Arrangement By Share Based Payment Award Amount Withheld For Employee Stock Purchase Plan ShareBasedCompensationArrangementByShareBasedPaymentAwardAmountWithheldForEmployeeStockPurchasePlan	100000	usd
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2023Q4	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	28862000	usd
CY2022Q4	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	20646000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	14107000	usd
CY2023Q4	pubm	Share Based Payment Arrangement Tax Benefit ShareBasedPaymentArrangementTaxBenefit	5695000	usd
CY2022Q4	pubm	Share Based Payment Arrangement Tax Benefit ShareBasedPaymentArrangementTaxBenefit	3537000	usd
CY2021	pubm	Share Based Payment Arrangement Tax Benefit ShareBasedPaymentArrangementTaxBenefit	1825000	usd
CY2023Q4	pubm	Share Based Payment Arrangement Expense Net ShareBasedPaymentArrangementExpenseNet	23167000	usd
CY2022Q4	pubm	Share Based Payment Arrangement Expense Net ShareBasedPaymentArrangementExpenseNet	17109000	usd
CY2021	pubm	Share Based Payment Arrangement Expense Net ShareBasedPaymentArrangementExpenseNet	12282000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	8881000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	28705000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	56604000	usd
CY2023Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51760000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52278000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50184000	shares
CY2023Q4	pubm	Incremental Common Shares Attributable To Dilutive Effect Of Call Options IncrementalCommonSharesAttributableToDilutiveEffectOfCallOptions	4037000	shares
CY2022	pubm	Incremental Common Shares Attributable To Dilutive Effect Of Call Options IncrementalCommonSharesAttributableToDilutiveEffectOfCallOptions	4606000	shares
CY2021	pubm	Incremental Common Shares Attributable To Dilutive Effect Of Call Options IncrementalCommonSharesAttributableToDilutiveEffectOfCallOptions	6354000	shares
CY2023Q4	pubm	Incremental Common Shares Attributable To Restricted Stock IncrementalCommonSharesAttributableToRestrictedStock	178000	shares
CY2022	pubm	Incremental Common Shares Attributable To Restricted Stock IncrementalCommonSharesAttributableToRestrictedStock	13000	shares
CY2021	pubm	Incremental Common Shares Attributable To Restricted Stock IncrementalCommonSharesAttributableToRestrictedStock	30000	shares
CY2023Q4	pubm	Incremental Common Shares Attributable To Employee Stock Purchase Plan IncrementalCommonSharesAttributableToEmployeeStockPurchasePlan	52000	shares
CY2022	pubm	Incremental Common Shares Attributable To Employee Stock Purchase Plan IncrementalCommonSharesAttributableToEmployeeStockPurchasePlan	11000	shares
CY2021	pubm	Incremental Common Shares Attributable To Employee Stock Purchase Plan IncrementalCommonSharesAttributableToEmployeeStockPurchasePlan	61000	shares
CY2023Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56027000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56908000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56629000	shares
CY2023Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.50
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.00
CY2023	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3310000	shares
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2254000	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	671000	shares
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	5371000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	32945000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	61822000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	5134000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	4522000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	2981000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	10505000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	37467000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	64803000	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	11059000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	11379000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	2437000	usd
CY2023	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2026000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2060000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	714000	usd
CY2023	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1947000	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1349000	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	295000	usd
CY2023	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	15032000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	14788000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	3446000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-11825000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-5491000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	4513000	usd
CY2023	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1391000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-769000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	251000	usd
CY2023	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-192000	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	234000	usd
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-11000	usd
CY2023	pubm	Deferred Income Tax Expense Benefit Excluding Net Deferred Tax Liability From Acquisition DeferredIncomeTaxExpenseBenefitExcludingNetDeferredTaxLiabilityFromAcquisition	-13408000	usd
CY2022	pubm	Deferred Income Tax Expense Benefit Excluding Net Deferred Tax Liability From Acquisition DeferredIncomeTaxExpenseBenefitExcludingNetDeferredTaxLiabilityFromAcquisition	-6026000	usd
CY2021	pubm	Deferred Income Tax Expense Benefit Excluding Net Deferred Tax Liability From Acquisition DeferredIncomeTaxExpenseBenefitExcludingNetDeferredTaxLiabilityFromAcquisition	4753000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1624000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8762000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8199000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2100
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2100
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2100
CY2023	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.0282
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.0345
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.0149
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.1925
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.0267
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.1038
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.1020
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.0451
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.0137
CY2023	pubm	Effective Income Tax Rate Reconciliation Transfer Pricing Reserve Percent EffectiveIncomeTaxRateReconciliationTransferPricingReservePercent	0.0154
CY2022	pubm	Effective Income Tax Rate Reconciliation Transfer Pricing Reserve Percent EffectiveIncomeTaxRateReconciliationTransferPricingReservePercent	0.0076
CY2021	pubm	Effective Income Tax Rate Reconciliation Transfer Pricing Reserve Percent EffectiveIncomeTaxRateReconciliationTransferPricingReservePercent	-0.0126
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.0464
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.0002
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.0073
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Gilti Percent EffectiveIncomeTaxRateReconciliationGiltiPercent	-0.1162
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Gilti Percent EffectiveIncomeTaxRateReconciliationGiltiPercent	0.0330
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Gilti Percent EffectiveIncomeTaxRateReconciliationGiltiPercent	0
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Fdii Percent EffectiveIncomeTaxRateReconciliationFdiiPercent	0.2257
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Fdii Percent EffectiveIncomeTaxRateReconciliationFdiiPercent	0.0543
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Fdii Percent EffectiveIncomeTaxRateReconciliationFdiiPercent	0.0048
CY2023	pubm	Effective Income Tax Rate Reconciliation Deduction Cover Employees Percent EffectiveIncomeTaxRateReconciliationDeductionCoverEmployeesPercent	0.0718
CY2022	pubm	Effective Income Tax Rate Reconciliation Deduction Cover Employees Percent EffectiveIncomeTaxRateReconciliationDeductionCoverEmployeesPercent	0.0259
CY2021	pubm	Effective Income Tax Rate Reconciliation Deduction Cover Employees Percent EffectiveIncomeTaxRateReconciliationDeductionCoverEmployeesPercent	0.0249
CY2023	pubm	Effective Income Tax Rate Reconciliation Acquisition Related Costs EffectiveIncomeTaxRateReconciliationAcquisitionRelatedCosts	0.0122
CY2022	pubm	Effective Income Tax Rate Reconciliation Acquisition Related Costs EffectiveIncomeTaxRateReconciliationAcquisitionRelatedCosts	-0.0065
CY2021	pubm	Effective Income Tax Rate Reconciliation Acquisition Related Costs EffectiveIncomeTaxRateReconciliationAcquisitionRelatedCosts	0
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.0218
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.0027
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.0042
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.1544
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.2343
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.1264
CY2023Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	811000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	263000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	56000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	1489000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	1067000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	1104000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	2023000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	1954000	usd
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CY2023Q4	pubm	Deferred Tax Assets Unrealized Gains On Equity Investment DeferredTaxAssetsUnrealizedGainsOnEquityInvestment	0	usd
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CY2023Q4	pubm	Deferred Tax Liabilities Unrealized Losses On Equity Investment DeferredTaxLiabilitiesUnrealizedLossesOnEquityInvestment	0	usd
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CY2021Q4	pubm	Deferred Tax Liabilities Unrealized Losses On Equity Investment DeferredTaxLiabilitiesUnrealizedLossesOnEquityInvestment	1296000	usd
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CY2023Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4381000	usd
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CY2023Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	200000	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2600000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	267014000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	256380000	usd
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CY2022Q4	us-gaap	Noncurrent Assets NoncurrentAssets	97362000	usd
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CY2023	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	1300000	usd
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CY2023Q4	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false

Files In Submission

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2023 Q4 Form 10-K Financial Statement

#000142293024000012 Filed on February 28, 2024

Income Statement

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Facts In Submission

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$PUBM PubMatic, Inc. Stock $pubm

2023 Q4 Form 10-K Financial Statement

#000142293024000012 Filed on February 28, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

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PubMatic, Inc. Stock $pubm