Unrealized gain (loss) in the period on investment securities held at the end of the period Unrealized Gain (Loss) on Investments Dividends declared per Class A common share (in dollars per share) Dividends paid (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Artisan Private Funds Artisan Private Funds [Member] Artisan Private Funds Award Timing Predetermined Award Timing Predetermined [Flag] Related Party Transaction [Axis] Related Party Transaction [Axis] Intangible Assets, Gross (Excluding Goodwill) Intangible Assets, Gross (Excluding Goodwill) Asset Class [Axis] Asset Class [Axis] Business Combination, Goodwill, Expected Tax Deductible, Amount Business Combination, Goodwill, Expected Tax Deductible, Amount Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Management fee threshold for reimbursement, percentage average daily net assets Related Party Management Fee Threshold for Reimbursement Operating expense ratio for fee waiver/expense reimbursement Tabular List, Table Tabular List [Table Text Block] Schedule of Distributions made to General and Limited Partners Schedule of Distributions made to General and Limited Partners [Table Text Block] Schedule of Distributions made to General and Limited Partners Dividends Declared Dividends Declared [Table Text Block] Recent accounting pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Schedule of related party transactions Schedule of Related Party Transactions [Table Text Block] S 2024 Q3 Dividends S 2024 Q3 Dividends [Member] S 2024 Q3 Dividends Fixed income instruments - long position Debt Securities [Member] Restricted Stock Awards Share-Based Payment Arrangement [Member] Employee net share settlement Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic earnings per share (in dollars per share) Earnings per share - Basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Related Party Transactions Related Party Transactions Disclosure [Text Block] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Long-Term Cash Awards Long-Term Cash Awards [Member] Long-Term Cash Awards Revenue From Contracts with Customers Revenue from Contract with Customer [Text Block] Cumulative impact of changes in ownership of Artisan Partners Holdings LP Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Net Total deferred tax assets Deferred Tax Assets, Gross Stock, Class of Stock [Table] Stock, Class of Stock [Table] Total other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Total Current Income Tax Expense (Benefit) Adjustment to Compensation, Amount Adjustment to Compensation Amount Management fee percentage of average daily net assets Related Party Management Fee Percentage Average Daily Net Assets Management fee percentage received based on an annual percentage of the average daily net assets. Principles of consolidation Consolidation, Policy [Policy Text Block] Restricted share-based award compensation expense Share-Based Payment Arrangement, Noncash Expense O 2024 A Dividends O 2024 A Dividends [Member] O 2024 A Dividends Partnership Distributions Distribution Made to Limited Partner [Line Items] Communication and technology Communications and Information Technology Leasehold improvements Payments For Leasehold Improvements Payments For Leasehold Improvements Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] General and administrative Other General and Administrative Expense Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] 2026 Holdings Common Unit Exchanges Deferred Tax Assets, Exchanges Deferred Tax Assets, Exchanges Dividends Dividends, Common Stock, Cash Total Artisan Partners Asset Management Inc. stockholders’ equity Equity, Attributable to Parent Measurement Frequency [Axis] Measurement Frequency [Axis] Insider Trading Policies and Procedures [Line Items] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Shares issued (in shares) Shares issued (in shares) Stock Issued During Period, Shares, New Issues Total liabilities, redeemable noncontrolling interests and stockholders’ equity Liabilities and Equity Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Fair Value, Measurements, Recurring Fair Value, Recurring [Member] LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS, AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Money market funds Cash and Cash Equivalents, Fair Value Disclosure Other Deferred Tax Assets, Other Maximum Maximum [Member] Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Asset, Useful Life Accounting Policies [Abstract] Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Restricted Stock Unvested restricted share-based awards Restricted Stock [Member] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Investment liabilities, at fair value Investment-related Liabilities Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Benefits and payroll taxes Employee Benefits And Payroll Taxes, Expense Employee Benefits And Payroll Taxes, Expense Restricted Share-Based Award Activity Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Dividends Declared [Line Items] Dividends Payable [Line Items] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Borrowings Total borrowings Debt, Long-Term and Short-Term, Combined Amount Operating lease liabilities Operating Lease, Liability Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Liabilities Liabilities [Abstract] Business Combination Business Combination [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Change in Value of Investments Investment [Table Text Block] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Variable Interest Entity [Table] Variable Interest Entity [Table] Fair Value Measurements, Recurring and Non-recurring [Abstract] Fair Value Measurements, Recurring and Non-recurring [Abstract] Fair Value Measurements, Recurring and Non-recurring [Abstract] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Comprehensive income attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] O2025Q2Dividends [Member] O 2025 Q1 Dividends [Member] Comprehensive income attributable to Artisan Partners Asset Management Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Name Measure Name Partnership distributions Payments to Noncontrolling Interests Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table Text Block] Non-customer receivables Other Receivables Class of Stock [Line Items] Class of Stock [Line Items] Consolidation, Less-than-Wholly-Owned Subsidiary, Parent Ownership Interest, Effect of Change [Table] Consolidation, Less-than-Wholly-Owned Subsidiary, Parent Ownership Interest, Effect of Change [Table] Artisan Funds Artisan Funds [Member] Artisan Funds [Member] Document Fiscal Period Focus Document Fiscal Period Focus Deferred Tax Asset - Amortizable Basis Deferred Tax Asset [Roll Forward] Deferred Tax Asset [Roll Forward] Award Timing Method Award Timing Method [Text Block] Increase (Decrease) in Operating Assets Increase (Decrease) in Operating Assets Unrealized Gain (Loss) on Investments Unrealized Gain (Loss) on Investments [Table Text Block] Distributions Made to Limited Partner [Table] Distributions Made to Limited Partner [Table] Award Type [Axis] Award Type [Axis] Income Tax Contingency [Table] Income Tax Contingency [Table] Long-term debt Long-Term Debt Legal Entity [Axis] Legal Entity [Axis] Total assets Assets Series G Senior Notes Series G Senior Notes [Member] Series G Senior Notes Finite-Lived Intangible Asset, Expected Amortization, Year One Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Change in estimate Other Tax Expense (Benefit) Entity Address, City or Town Entity Address, City or Town Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Marketable Securities [Line Items] Marketable Securities [Line Items] Deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Total Holdings Partnership Distributions Partners' Capital Account, Distributions Restricted Stock Units RSUs Restricted Stock Units (RSUs) [Member] Impact of deconsolidation of CIPs Noncontrolling Interest, Decrease from Deconsolidation Cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation [Abstract] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Business Combination, Consideration Transferred Business Combination, Consideration Transferred Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Dividends declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Increase in investment securities due to deconsolidation of CIPs Transfer to Investments Compensation and benefits Operating Expense [Member] Operating lease assets obtained in exchange for operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Debt Issuance Costs, Net Debt Issuance Costs, Net Level 2 Fair Value, Inputs, Level 2 [Member] Seed investments in equity securities accounted for under the equity method Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Basis of presentation Basis of Accounting [Text Block] Related Party Related Party [Member] Common Class C [Member] Class C Common Stock Common Class C [Member] Common stock, shares, outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Components of the provision for income taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Marketable Securities Marketable Securities [Table Text Block] Management Fees Before Reimbursement Revenue Management Fees Before Reimbursement Revenue [Member] Management Fees Before Reimbursement Revenue Document Information [Table] Document Information [Table] PEO PEO [Member] Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Fee waiver / expense reimbursement Related Party Fee Waiver Expense Reimbursement Represents the amounts waived or reimbursed by us for management fees and operating expenses. Proceeds from sale of investment securities Proceeds from Sale, Maturity and Collection of Investments Increase in additional paid-in capital Adjustments To Additional Paid In Capital, Change In Noncontrolling Interest Adjustments To Additional Paid In Capital, Change In Noncontrolling Interest Noncash activity: Noncash Investing and Financing Items [Abstract] Interest income on cash and cash equivalents and other Investment Income, Interest Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Proceeds from issuance of notes payable Proceeds from Issuance of Senior Long-Term Debt Long-term cash incentive compensation expense Deferred Compensation Arrangement with Individual, Compensation Expense Change in assets and liabilities resulting in an increase (decrease) in cash: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Retained Earnings Retained Earnings [Member] Accounts payable, accrued expenses and other Accounts Payable and Accrued Liabilities Restricted Stock Awards and Restricted Stock Units Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Beginning of period End of period Cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Provision for income taxes Income tax expense (benefit) Income Tax Expense (Benefit) Tax receivable agreement percentage to be retained by entity Tax Receivable Agreement Percentage To Be Retained by Entity Portion of the applicable cash savings, if any, in U.S. federal and state income tax that APAM actually realizes (or is deemed to realize in certain circumstances) retained by the entity. Class B Common Stock Common Class B [Member] Accounts receivable and other Other Assets Equity securities Investments, Fair Value Disclosure Document Information [Line Items] Document Information [Line Items] Intangible Assets, Net (Excluding Goodwill) Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Restricted Stock Units and Performance Stock Units Restricted Stock Units and Performance Stock Units [Member] Restricted Stock Units and Performance Stock Units Common Stock Shares Issued Not Disclosed Common Stock Shares Issued Not Disclosed Common Stock Shares Issued Not Disclosed Grandview Grandview [Member] Grandview Net income before noncontrolling interests Net income before noncontrolling interests Net income before noncontrolling interests Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Business Combination [Table] Business Combination [Table] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Management fees Asset Management [Member] Components of Compensation Expense Schedule of Labor and Related Expense [Table Text Block] Tabular disclosure of expenditures for salaries, wages, profit sharing and incentive compensation, and other employee benefits, including equity-based compensation, and pension and other postretirement benefit expense. Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] City Area Code City Area Code Cash paid for business acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Unvested - Number of awards (in shares) Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Significant Accounting Policies Contract with Customer, Asset and Liability Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Cash flows from investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Exchange of subsidiary equity Conversion of Stock, Amount Converted Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Artisan Partners Limited Partnership Artisan Partners Limited Partnership [Member] Artisan Partners Limited Partnership Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Related Party Transactions [Abstract] Related Party Transactions [Abstract] Subsequent Event Subsequent Event [Member] Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Net investment gain (loss) Net investment gain (loss) of nonconsolidated investment products Gain (Loss) on Investments Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Money market funds Money Market Funds [Member] Federal Deferred Federal Income Tax Expense (Benefit) Change in APAM economic ownership Interest in Artisan Partners Holdings LP (as a percent) Change in APAM Economic Ownership Interest in Artisan Partners Holdings LP (as a percent) Change in APAM Economic Ownership Interest in Artisan Partners Holdings LP (as a percent) Equity Components [Axis] Equity Components [Axis] Issuance of restricted stock awards Stock Issued During Period, Value, Restricted Stock Award, Gross Expense Reimbursement Expense Reimbursement [Member] Expense Reimbursement Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of Reportable Segments Number of Reportable Segments Compensation and Benefits Compensation and Employee Benefit Plans [Text Block] Supplementary information Supplemental Cash Flow Information [Abstract] Variable Interest Entities and Consolidated Investment Products Variable Interest Entity Disclosure [Text Block] Other Performance Measure, Amount Other Performance Measure, Amount Entity Address, State or Province Entity Address, State or Province Long-term employee-related liabilities Long-term employee-related liabilities Long-term employee-related liabilities Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Related Party [Domain] Related and Nonrelated Parties [Domain] Net increase in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Individual: Individual [Axis] Dividends paid Payments of Ordinary Dividends, Common Stock Separate accounts and other Separate Accounts [Member] Separate Accounts [Member] Entity [Domain] Entity [Domain] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Document Fiscal Year Focus Document Fiscal Year Focus Artisan’s direct equity investment in CIPs Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Salaries Salaries Expense Salaries Expense Operating lease assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Recognition period (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Tax receivable agreement payment period Tax Receivable Agreement Payment Period Represents the expected payment date for payments made under the TRA, which is defined as the number of days from the date APAM's federal income tax return is filed for each fiscal year. Less: valuation allowance Deferred Tax Assets, Valuation Allowance Other comprehensive income - foreign currency translation Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Segment Reporting Disclosure Segment Reporting Disclosure [Text Block] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Consolidated Investment Products Consolidated Investment Products [Member] Consolidated Investment Products Federal Current Federal Tax Expense (Benefit) Debt and capital lease obligations Debt and Lease Obligation Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Ownership [Domain] Ownership [Domain] Schedule of Equity ownership Interests in Holdings Schedule of Subsidiary of Limited Liability Company or Limited Partnership, Description [Table Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Less: Net income attributable to noncontrolling interests - Artisan Partners Holdings Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest Business Combination, Contingent Consideration, Liability Business Combination, Contingent Consideration, Liability Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Amortization of Intangible Assets Amortization of Intangible Assets Deferred tax assets Deferred Income Tax Assets, Net Depreciation and amortization Depreciation, Depletion and Amortization Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Total revenues Revenues Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Awards granted, amount Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Authorized and outstanding equity Schedule of Stockholders Equity [Table Text Block] Revolving credit agreement Revolving Credit Facility [Member] Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table Text Block] Increase in CIP net assets due to consolidation Increase in CIP net assets due to consolidation Increase in CIP net assets due to consolidation Arrangement Duration Trading Arrangement Duration Impact of consolidation of CIPs Impact of consolidation of CIPs Impact of consolidation of CIPs Receivable From Redemption of Investment Receivable From Redemption of Investment Receivable From Redemption of Investment Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Employee-Partner Terminations [Axis] Employee-Partner Terminations [Axis] Employee-Partner Terminations [Axis] Statutory tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Subsequent Event Type [Axis] Subsequent Event Type [Axis] Forfeitures of Holdings GP Units from Employee Terminations (in shares) Holdings Common Unit Exchanges (in shares) Stock Repurchased and Retired During Period, Shares Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document and Entity Information [Abstract] ASSETS Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Variable Interest Entity, Not Primary Beneficiary, Disclosures [Abstract] Debt Instrument [Axis] Debt Instrument [Axis] Net investment gain (loss) of nonconsolidated investment products Nonoperating Income (Expense) [Member] Purchase of investments by consolidated investment products Purchase of Investments by Consolidated Investment Products Purchase of Investments by Consolidated Investment Products Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Fair Value Measurements Fair Value Disclosures [Text Block] Business Combination [Line Items] Business Combination [Line Items] Credit Facility [Domain] Credit Facility [Domain] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Artisan Global Funds Artisan Global Funds [Member] Artisan Global Funds [Member] Net cash impact of deconsolidation of CIPs Reduction To Cash Due To Deconsolidation Reduction To Cash Due To Deconsolidation Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Interest Rate Per Annum Debt Instrument, Interest Rate, Stated Percentage Shares paid for tax withholding for share based compensation (in shares) Restricted share award net share settlement (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Investments [Domain] Investments [Domain] Distribution made to partners, Cash distributions declared Distribution Made to Limited Partner, Cash Distributions Declared Redeemable noncontrolling interests Redeemable Noncontrolling Interest, Equity, Carrying Amount Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Capital contributions to consolidated investment products, net Capital Contributions to Consolidated Investment Products Capital Contributions to Consolidated Investment Products Ownership [Axis] Ownership [Axis] Deferred tax assets, beginning Deferred tax assets, ending Amortizable basis Deferred Tax Assets Step-up of Tax Basis Deferred tax assets recorded as a result of the step-up of tax basis from the H&F Corp Merger and the purchase of Class A common units by APAM. Proceeds from sale of investments by consolidated investment products Proceeds from Sale of Investments by Consolidated Investment Products Proceeds from Sale of Investments by Consolidated Investment Products Indemnifications Commitments Contingencies and Guarantees [Text Block] Fair Value as of Grant Date Award Grant Date Fair Value Accounts receivable Accounts receivable Accounts Receivable, after Allowance for Credit Loss Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Net impact to financial condition Cumulative Impact of Changes in Ownership Cumulative equity impact of changes in ownership of APAM's subsidiary, Artisan Partners Holdings LP as a result of the issuance and forfeiture of equity. Long-term incentive compensation expense Employee Benefits and Share-Based Compensation Compensation and benefits Compensation and benefits Labor and Related Expense Deferred Bonus and Profit Sharing Arrangement, Individual Contract, Type of Deferred Compensation [Domain] Deferred Bonus and Profit Sharing Arrangement, Individual Contract, Type of Deferred Compensation [Domain] Granted - Number of awards (in shares) Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Purchase of investment securities Payments to Acquire Investments Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount O 2026Q1 Dividends O 2026Q1 Dividends [Member] O 2026Q1 Dividends Total Net CIP assets Net Assets of Consolidated Investment Products Net Assets of Consolidated Investment Products Related Party Transaction [Line Items] Related Party Transaction [Line Items] Document Quarterly Report Document Quarterly Report Artisan Partners Holdings LP Artisan Partners Holdings LP [Member] Artisan Partners Holdings LP [Member] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Schedule of borrowings Schedule of Debt [Table Text Block] Investment Type [Axis] Investment Type [Axis] Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Related Party [Axis] Related and Nonrelated Parties [Axis] Investment securities Total investment securities Investments Investments Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Other net assets acquired Business Combination, Recognized Asset Acquired, Other Asset Net Business Combination, Recognized Asset Acquired, Other Asset Net Prepaid expenses and other assets Prepaid Expense and Other Assets Restatement Determination Date: Restatement Determination Date [Axis] Settlement of franchise capital liability via transfer of investment securities Settlement of franchise capital liability via transfer of investment securities Settlement of franchise capital liability via transfer of investment securities Payments to Acquire Businesses, Gross Payments to Acquire Businesses, Gross Non-PEO NEO Non-PEO NEO [Member] Series F Series F Senior Notes [Member] Series F Senior Notes [Member] Capital contributions, net Noncontrolling Interest, Increase from Subsidiary Equity Issuance Deferred tax assets, net of amounts payable under tax receivable agreements Adjustments to Paid In Capital Establishment of Deferred Tax Assets Net Of Amounts Payable Under Tax Receivable Agreements Establishment of deferred tax assets reduced by amounts payable under tax receivable agreements. Interest expense Interest Expense, Debt Name Trading Arrangement, Individual Name Incentive compensation Incentive Compensation Expense Incentive Compensation Expense Award Type [Domain] Award Type [Domain] Net investment (gain) loss on nonconsolidated investment securities Net Investment (Gain) Loss on Nonconsolidated Investment Products Net Investment (Gain) Loss on Nonconsolidated Investment Products Noncontrolling interests - Artisan Partners Holdings Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Deconsolidation, gain (loss), amount Deconsolidation, Gain (Loss), Amount Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Deferred Tax Assets, Increase (Decrease) Deferred Tax Assets, Increase (Decrease) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Net change in operating assets and liabilities of consolidated investment products including net investment income Net Change in Operating Assets and Liabilities of Consolidated Investment Products Net Change in Operating Assets and Liabilities of Consolidated Investment Products Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Schedule of Investments [Line Items] Schedule of Investments [Line Items] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Limited Partnership Units Limited Partnership Units [Member] Limited Partnership Units [Member] Beginning balance (in dollars per share) Ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Annualized operating expenses maximum percentage of average daily net assets Related Party Management Fee Percentage Operating Expenses To Daily Net Assets Operating expense to average daily net asset ratio. Amortization of equity-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] Beginning balance Ending balance Redeemable Noncontrolling Interest, Equity, Common, Carrying Amount Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Distribution, servicing and marketing Selling and Marketing Expense Holdings Partnership Distributions to Limited Partners Limited Partners' Capital Account, Distribution Amount Establishment of amounts payable under tax receivable agreements Non cash Transaction Initial Establishment of Amounts Payable Under Tax Receivable Agreements Initial establishment of the estimated liability associated with the tax benefits expected to be realized as a result of the tax receivable agreements. Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Axis] Performance Shares Performance Shares [Member] Total Capital Units Holdings limited partnership units Capital Units [Member] Investment Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Beginning balance (in shares) Ending balance (in shares) Units of Partnership Interest, Amount Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Consolidated Entity Excluding Variable Interest Entities (VIE) Consolidated Entity, Excluding Consolidated VIE [Member] Beginning balance (in shares) Ending balance (in shares) Capital Units, Outstanding Minimum Minimum [Member] Long-term incentive compensation Long-Term Incentive Compensation Long-Term Incentive Compensation Company Selected Measure Name Company Selected Measure Name Senior notes Senior Notes [Member] Borrowings Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Components of deferred tax assets Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Stockholders' Equity Note [Abstract] Stockholders' Equity Note [Abstract] Share-based compensation Share-Based Payment Arrangement, Expensed and Capitalized, Amount Common stock Common Stock, Value, Issued Foreign Current Foreign Tax Expense (Benefit) Diluted weighted average number of common shares outstanding (in shares) Diluted weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingencies Commitments and Contingencies Holdings common unit exchanges (in shares) Stock Issued During Period, Shares, Conversion of Units Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Noncash lease expense (benefit) Increase (Decrease) in Other Deferred Liability NAV Practical Expedient (No Fair Value Level) Fair Value Measured at Net Asset Value Per Share [Member] Amortization Amortization of TRA DTA Amortization of deferred tax asset related to tax receivable agreements. Business Combination [Axis] Business Combination [Axis] Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Net investment (gain) loss of consolidated investment products Net Investment Gain (Loss) of Consolidated Investment Products Net Investment Gain (Loss) of Consolidated Investment Products Less: Net income (loss) attributable to noncontrolling interests - consolidated investment products Comprehensive income (loss) attributable to noncontrolling interests - consolidated investment products Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Noncontrolling Interests - Artisan Partners Holdings Noncontrolling Interest [Member] Artisan Private Funds Privately Offered Funds [Member] Privately Offered Funds [Member] State and local Current State and Local Tax Expense (Benefit) Document Transition Report Document Transition Report Underlying Securities Award Underlying Securities Amount S 2026 Q1 Dividends S 2026 Q1 Dividends [Member] S 2026 Q1 Dividends Common stock votes per share Common Stock Number of Votes_per_Share Common Stock Number of Votes per Share Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Income Taxes and Related Payments Income Tax Disclosure [Text Block] Class A Common Stock Class A Common Stock Holdings GP Units Common Class A [Member] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Schedule of Investments [Table] Schedule of Investments [Table] Borrowings fair value Debt Instrument, Fair Value Disclosure Increase (Decrease) in Operating Lease Liability Increase (Decrease) in Operating Lease Liability Total stockholders’ equity Balance at beginning of period Balance at end of period Equity, Including Portion Attributable to Noncontrolling Interest Net CIP assets (liabilities) not included in the table above Net Assets of Consolidated Investment Products, Carrying Value Net Assets of Consolidated Investment Products, Carrying Value Deferred Bonus Deferred Bonus [Member] Document Type Document Type Restricted stock units outstanding (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number Level 3 Fair Value, Inputs, Level 3 [Member] Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Marketable Securities [Table] Marketable Securities [Table] Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Revenue from contract with customers Revenue from Contract with Customer, Excluding Assessed Tax Requisite service period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Acquisition of property and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Statistical Measurement [Axis] Statistical Measurement [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Line of credit facility, unused capacity, commitment fee, percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Establishment of deferred tax assets Non Cash Transaction Initial Establishment of Deferred Tax Assets Represents the amount of deferred tax assets recognized in noncash transactions. Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Taxes paid related to employee net share settlement Payment, Tax Withholding, Share-based Payment Arrangement Payment, Tax Withholding, Share-Based Payment Arrangement Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net income available to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Consolidated Entity, Excluding VIE Consolidated Entity, Excluding VIE [Member] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Seed Investments Seed Investments [Member] Seed Investments Total operating expenses Operating Expenses Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Level 1 Fair Value, Inputs, Level 1 [Member] Amounts Payable Under TRAs Tax Receivable Agreements [Roll Forward] Tax Receivable Agreements [Roll Forward] Issuance (Cancellation) of Shares Disclosure Schedule of Sale of Stock by Subsidiary or Equity Method Investee Disclosure [Table Text Block] Related Party Transaction [Table] Related Party Transaction [Table] Diluted earnings per share (in dollars per share) Earnings per share - Diluted (in dollars per share) Earnings Per Share, Diluted Less: Allocation to participating securities Participating Securities, Distributed and Undistributed Earnings (Loss), Basic Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Title of 12(b) Security Title of 12(b) Security Dividends [Axis] Dividends [Axis] Earnings (loss) per share Earnings Per Share [Abstract] Unrecognized tax benefits, income tax penalties accrued Unrecognized Tax Benefits, Income Tax Penalties Accrued Consolidation Items [Domain] Consolidation Items [Domain] Total non-operating income (expense) Nonoperating Income (Expense) Economic interest in subsidiary (as a percent) Beginning balance Ending balance Subsidiary, Ownership Percentage, Parent Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Variable Interest Entity, Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Payments under the tax receivable agreements Payments under the tax receivable agreements Tax Receivable Agreement Payments Tax Receivable Agreement Payments Noncontrolling Interest [Abstract] Noncontrolling Interest [Abstract] Nonvested Restricted Stock Shares Activity Nonvested Restricted Stock Shares Activity [Table Text Block] Award Timing Disclosures [Line Items] Share-Based Compensation Arrangement By Share-Based Payment Award, Award Requisite Service Period, Retirement Acceleration Share-Based Compensation Arrangement By Share-Based Payment Award, Award Requisite Service Period, Retirement Acceleration Share-Based Compensation Arrangement By Share-Based Payment Award, Award Requisite Service Period, Retirement Acceleration Holdings Common Unit Exchanges [Axis] Holdings Common Unit Exchanges [Axis] Holdings Common Unit Exchanges [Axis] O 2025 A Dividends O 2025 A Dividends [Member] O 2025 A Dividends Measurement Frequency [Domain] Measurement Frequency [Domain] Compensation and benefits Market valuation changes in compensation plans Long-term Incentive Compensation Expense, Impact of Change in Value of Investments Long-term Incentive Compensation Expense, Impact of Change in Value of Investments Subsidiaries Subsidiaries [Member] Stockholders' Equity Equity [Text Block] State and local Deferred State and Local Income Tax Expense (Benefit) Distributions Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Net income attributable to Artisan Partners Asset Management Inc. Net income attributable to APAM Net Income (Loss) Attributable to Parent Subsequent Event [Table] Subsequent Event [Table] Dividends [Domain] Dividends [Domain] Expiration Date Trading Arrangement Expiration Date Variable interest entity, ownership percentage Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Approximate percentage of earnings not subject to income taxes Approximate Percentage of Earnings Not Subject to Income Taxes Represents the percentage of earnings attributable to noncontrolling interests and therefore not subject to income taxes. Property and equipment, net Property, Plant and Equipment, Net Number of consolidated VIEs Number of Consolidated VIEs Number of Consolidated VIEs Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable Increase (Decrease) in Accounts Receivable Holdings GP Units General Partnership Units [Member] General Partnership Units [Member] Short-term employee-related liabilities Short-term employee-related liabilities Short-term employee-related liabilities Entity Current Reporting Status Entity Current Reporting Status Consolidation, Eliminations Consolidation, Eliminations [Member] Customer [Axis] Customer [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Total operating income Operating Income (Loss) Net gain (loss) on the tax receivable agreements Net Gain Loss On The Tax Receivable Agreements Net Gain Loss On The Tax Receivable Agreements Consolidated Entities [Domain] Consolidated Entities [Domain] Retained earnings Retained Earnings (Accumulated Deficit) Deferred Bonus and Profit Sharing Arrangements, Individual Contracts, Type of Deferred Compensation [Axis] Deferred Bonus and Profit Sharing Arrangements, Individual Contracts, Type of Deferred Compensation [Axis] (Gain) loss on disposal of property and equipment Gain (Loss) on Disposition of Property Plant Equipment Deferred tax assets: Deferred Tax Assets, Gross [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Principal payments on notes payable Repayments of Debt Current Fiscal Year End Date Current Fiscal Year End Date Class of Stock [Axis] Class of Stock [Axis] Schedule of Other Assets and Other Liabilities Schedule of Other Assets and Other Liabilities [Table Text Block] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Weighted-Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Number of shares available for grant (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Statement [Table] Statement [Table] Deferred income taxes Total Deferred Income Tax Expense (Benefit) Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Noncontrolling Interests - Holdings Noncontrolling Interest Disclosure [Text Block] Holdings Partnership Distributions to APAM General Partners' Capital Account, Period Distribution Amount Contract with customer, liability Contract with Customer, Liability Fair value hierarchy of assets and liabilities Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Seed investments in equity securities Equity Securities, FV-NI, Current Nature of Business and Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Unrecognized tax benefits Unrecognized Tax Benefits Cash and cash equivalents as of the end of the period Cash and Cash Equivalents [Abstract] Amounts payable under tax receivable agreements Amounts payable under tax receivable, beginning agreements Amounts payable under tax receivable, ending agreements Amounts Payable Under Tax Receivable Agreement Amounts payable under tax receivable agreement. Number of tax receivable agreements (TRAs) Income Tax Disclosure, Number of Tax Receivable Agreements Income Tax Disclosure, Number of Tax Receivable Agreements Anti-Dilutive Weighted Average Shares Outstanding (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Salaries, incentive compensation and benefits Salary and Wage, Excluding Cost of Good and Service Sold Series E Series E Senior Notes [Member] Series E Senior Notes Termination Date Trading Arrangement Termination Date Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Employee-Partner Terminations [Domain] Employee-Partner Terminations [Domain] [Domain] for Employee-Partner Terminations [Axis] Dividends Payable [Table] Dividends Payable [Table] Business Combination, Acquiree's Revenue since Acquisition Date, Actual Business Combination, Acquiree's Revenue since Acquisition Date, Actual Basic weighted average number of common shares outstanding (in shares) Basic weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic TRA percent of savings to be paid to shareholders Tax Receivable Agreement Percentage Savings Required to be Paid to Shareholders Portion of the applicable cash savings, if any, in U.S. federal and state income tax that APAM actually realizes (or is deemed to realize in certain circumstances) to be paid to the holders of convertible preferred stock issued as consideration for the H&F Corp Merger (or Class A common stock issued upon conversion of that convertible preferred stock). Related Party Transaction [Domain] Related Party Transaction [Domain] Segment Reporting [Abstract] Subsequent Events [Abstract] Subsequent Events [Abstract] Total receivables from contracts with customers Receivable from Customer in Brokerage Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Amortization of debt issuance costs Amortization of Debt Issuance Costs Non-operating income (expense) Nonoperating Income (Expense) [Abstract] Entity Tax Identification Number Entity Tax Identification Number Net CIP assets included in the table above Net Assets of Consolidated Investment Products Measured at Fair Value Net Assets of Consolidated Investment Products Measured at Fair Value Capital Unit Capital Unit [Member] Capital Unit [Member] Derivative assets Derivative [Member] S 2025 A Dividends S 2025 A Dividends [Member] S 2025 A Dividends Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Consolidated Entities [Axis] Consolidated Entities [Axis] Common stock, par value per share (in dollars per share) Common Stock, Par or Stated Value Per Share Performance fees Investment Performance [Member] Occupancy Occupancy, Net Interest expense Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Significant Accounting Policies [Table] Significant Accounting Policies [Table] Significant Accounting Policies Holdings of common unit exchanges, APAM ownership percentage Noncontrolling Interest, Increase (Decrease) Ownership Interest, Exchange of Units, Percent Noncontrolling Interest, Increase (Decrease) Ownership Interest, Exchange of Units, Percent Variable Interest Entities and Consolidated Investment Products Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Subsequent Events Subsequent Events [Text Block] Foreign currency translation gain (loss) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Equity securities - long position Equity Securities [Member] Total liabilities Liabilities Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Operating Expenses Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Asset Class [Domain] Asset Class [Domain] S2025Q2Dividends S 2025 Q1 Dividends [Member] S 2025 Q1 Dividends Redeemable Noncontrolling Interests Increase (Decrease) in Temporary Equity [Roll Forward] Statement [Line Items] Statement [Line Items] Consolidation Items [Axis] Consolidation Items [Axis] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Holdings Common Unit Exchanges [Domain] Holdings Common Unit Exchanges [Domain] [Domain] for Holdings Common Unit Exchanges [Axis] Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Subsequent Event [Line Items] Subsequent Event [Line Items] Increase in deferred tax assets Increase (Decrease) in Deferred Income Taxes Common Stock Common Stock [Member] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Dilutive effect of nonparticipating share-based awards (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment