Debt instrument issued percentage of principal amount.

No definition available.

Name:	adv_DebtInstrumentIssuedPercentageOfPrincipalAmount
Namespace Prefix:	adv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt instrument percentage of the principal amount redeemable annually.

+ References

No definition available.

+ Details

Name:	adv_DebtInstrumentPercentageOfThePrincipalAmountRedeemableAnnually
Namespace Prefix:	adv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt instrument percentage of the principal amount redeemable prematurely.

+ References

No definition available.

+ Details

Name:	adv_DebtInstrumentPercentageOfThePrincipalAmountRedeemablePrematurely
Namespace Prefix:	adv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Incremental costs of debt capitalised as deferred debt issuance cost.

+ References

No definition available.

+ Details

Name:	adv_IncrementalCostsOfDebtCapitalisedAsDeferredDebtIssuanceCost
Namespace Prefix:	adv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Incremental costs of debt charged to income statement.

+ References

No definition available.

+ Details

Name:	adv_IncrementalCostsOfDebtChargedToIncomeStatement
Namespace Prefix:	adv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Incremental costs of debt included in debt repayment.

+ References

No definition available.

+ Details

Name:	adv_IncrementalCostsOfDebtIncludedInDebtRepayment
Namespace Prefix:	adv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line of credit borrowing capacity percentage

+ References

No definition available.

+ Details

Name:	adv_LineOfCreditBorrowingCapacityPercentage
Namespace Prefix:	adv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of excess cash flow to be used for term loan prepayments.

+ References

No definition available.

+ Details

Name:	adv_PercentageOfExcessCashFlowToBeUsedForTermLoanPrepayments
Namespace Prefix:	adv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of net cash proceeds from certain debt issuance for term loan prepayments.

+ References

No definition available.

+ Details

Name:	adv_PercentageOfNetCashProceedsFromCertainDebtIssuanceForTermLoanPrepayments
Namespace Prefix:	adv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of net cash proceeds of certain assets for term loan prepayments.

+ References

No definition available.

+ Details

Name:	adv_PercentageOfNetCashProceedsOfCertainAssetsForTermLoanPrepayments
Namespace Prefix:	adv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of note holders by value to approve for the purchase of the notes by the company.

+ References

No definition available.

+ Details

Name:	adv_PercentageOfNoteHoldersByValueToApproveForThePurchaseOfTheNotesByTheCompany
Namespace Prefix:	adv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The maximum ratio of variable rate indebtedness to total indebtedness as compared to fixed rate indebtedness expressed as a percentage.

+ References

No definition available.

+ Details

Name:	adv_RatioOfIndebtednessToTotalIndebtednessThresholdPercentage
Namespace Prefix:	adv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Senior secured notes year of maturity

+ References

No definition available.

+ Details

Name:	adv_SeniorSecuredNotesYearOfMaturity
Namespace Prefix:	adv_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

- Definition

Term loan instalment payment as a percentage of principal.

+ References

No definition available.

+ Details

Name:	adv_TermLoanInstalmentPaymentAsAPercentageOfPrincipal
Namespace Prefix:	adv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Term loan prepayment percentage premium.

+ References

No definition available.

+ Details

Name:	adv_TermLoanPrepaymentPercentagePremium
Namespace Prefix:	adv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of accumulated amortization of debt issuance costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_AccumulatedAmortizationDeferredFinanceCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399

+ Details

Name:	us-gaap_AmortizationOfFinancingCostsAndDiscounts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the debt agreement requires the first payment to be made, in CCYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_DebtInstrumentDateOfFirstRequiredPayment1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

+ Details

Name:	us-gaap_DebtInstrumentFrequencyOfPeriodicPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

Name:	us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

+ References

+ Details

Name:	us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

+ Details

Name:	us-gaap_DeferredFinanceCostsGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

+ Details

Name:	us-gaap_DeferredFinanceCostsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maturity date of long-term debt, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

Name:	us-gaap_LongTermDebtMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	instant

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

+ Details

Name:	us-gaap_LongTermDebtPercentageBearingFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Period between issuance and maturity of long-term debt, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_LongTermDebtTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Proceeds from securitizations of receivables treated as collateralized borrowings, which are classified as financing transactions.

+ References

+ Details

Name:	us-gaap_ProceedsFromAccountsReceivableSecuritization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

Name:	us-gaap_ProceedsFromLinesOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ShortTermDebtLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

+ Details

Name:	us-gaap_UnamortizedDebtIssuanceExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

+ Details

Name:	us-gaap_WriteOffOfDeferredDebtIssuanceCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=adv_SecondLienTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=adv_FirstLienTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=adv_InitialFirstLientErmLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=adv_TwoThousandFourteenTopcoAcquisitionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=adv_DelayedDrawTermLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=country_JP
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	adv_TrancheAxis=adv_TrancheOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	adv_TrancheAxis=adv_TrancheTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=adv_AdvantageSalesAndMarketingIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	adv_CollateralAgentAxis=adv_BankOfAmericaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=adv_FirstLienCreditAgreementSecondLienCreditAgreementAndArCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=adv_NewRevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	adv_BasisAxis=adv_NewRevolvingCreditFacilityCovenantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	adv_LineOfCreditUnusedCommitmentFeePercentageAxis=adv_FeePercentageOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	adv_LineOfCreditUnusedCommitmentFeePercentageAxis=adv_FeePercentageTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_EurodollarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	adv_VariableInterestRateSpreadAxis=adv_VariableInterestRateSpreadOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	adv_VariableInterestRateSpreadAxis=adv_VariableInterestRateSpreadTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	adv_VariableInterestRateSpreadAxis=adv_VariableInterestRateSpreadThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=adv_NewSecuredFirstLienTermLoanFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=adv_SeniorSecuredNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=adv_AdvantageSolutionsFincoLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	adv_RedemptionPricePercentageAxis=adv_RedemptionPricePercentageOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	adv_RedemptionPricePercentageAxis=adv_RedemptionPricePercentageTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	adv_RedemptionPricePercentageAxis=adv_RedemptionPricePercentageThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=adv_AccountReceivableSecuritizationFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=adv_CreditFacilitiesMemberMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt - Additional Information (Detail) - USD ($) $ in Thousands		1 Months Ended		12 Months Ended
	Apr. 27, 2020	Feb. 28, 2018	Apr. 30, 2015	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	May 31, 2017	Dec. 30, 2020	May 25, 2020	Apr. 30, 2020	Jul. 25, 2014
Short-term Debt [Line Items]
Borrowing base	$ 200,000
Unamortised debt issuance costs not written off				$ 60,545	$ 29,840
Debt instrument face value				1,325,000
Long term debt net of unamortised debt issuance costs				$ 2,153,618
Loan maturity date				Nov. 15, 2028
Proceeds from lines of credit				$ 213,927	20,070	$ 30,000
Proceeds from accounts receivable	$ 120,000			120,000
Amortization of deferred debt issuance costs				14,800	16,900	$ 15,300
Debt issuance costs				62,100
Debt issuance costs less accumulated amortization				1,600
Debt Instrument, Face Amount				$ 1,325,000
Minimum [Member]
Short-term Debt [Line Items]
Percentage of minimum funding threshold	60.00%
Second Lien Term Loan [Member]
Short-term Debt [Line Items]
Borrowing base					760,000
Debt instrument, maturity date	Jul. 01, 2022
First Lien Term Loan [Member]
Short-term Debt [Line Items]
Borrowing base					$ 2,500,000
Debt instrument, maturity date				Jul. 01, 2021
Initial First Lien Term Loans [Member]
Short-term Debt [Line Items]
Proceeds from lines of credit		$ 350,000	$ 150,000				$ 225,000
2014 Topco Acquisition [Member] \| Revolving Credit Facility
Short-term Debt [Line Items]
Line of credit facility, maximum borrowing capacity											$ 200,000
2014 Topco Acquisition [Member] \| Revolving Credit Facility \| Letter of Credit [Member]
Short-term Debt [Line Items]
Line of credit facility, maximum borrowing capacity											75,000
2014 Topco Acquisition [Member] \| Second Lien Term Loan [Member]
Short-term Debt [Line Items]
Line of credit facility, maximum borrowing capacity											760,000
2014 Topco Acquisition [Member] \| Initial First Lien Term Loans [Member]
Short-term Debt [Line Items]
Line of credit facility, maximum borrowing capacity				$ 150,000							1,800,000
Debt instrument, maturity date			Apr. 23, 2021
2014 Topco Acquisition [Member] \| Initial First Lien Term Loans [Member] \| Delayed Draw Term Loans [Member]
Short-term Debt [Line Items]
Line of credit facility, maximum borrowing capacity											$ 60,000
JAPAN
Short-term Debt [Line Items]
Long term debt net of unamortised debt issuance costs				2,900
Tranche One [Member] \| JAPAN
Short-term Debt [Line Items]
Interest rate payable									1.82%
Loan maturity date									May 27, 2029
Tranche Two [Member] \| JAPAN
Short-term Debt [Line Items]
Interest rate payable									1.83%
Loan maturity date									Oct. 27, 2029
Advantage Sales And Marketing Inc [Member] \| Bank Of America [Member] \| Letter of Credit [Member]
Short-term Debt [Line Items]
Line of credit facility, maximum borrowing capacity				400,000
First Lien Credit Agreement Second Lien Credit Agreement And AR Credit Facility [Member]
Short-term Debt [Line Items]
Incremental costs of debt included in debt repayment				86,800
Incremental costs of debt capitalised as deferred debt issuance cost				56,700
Incremental costs of debt charged to income statement				30,100
Unamortized debt issuance costs				16,700
Unamortised debt issuance costs not written off				5,400
Write off of deferred debt issuance costs				11,300
New Revolving Credit Facility [Member] \| Advantage Sales And Marketing Inc [Member] \| New Revolving Credit Facility Covenant [Member]
Short-term Debt [Line Items]
Line of credit unused borrowing capacity				$ 25,000
Line of credit unused borrowing capacity percentage				10.00%
New Revolving Credit Facility [Member] \| Advantage Sales And Marketing Inc [Member] \| Fee Percentage One [Member]
Short-term Debt [Line Items]
Line of credit unused commitement fee percentage				0.375%
New Revolving Credit Facility [Member] \| Advantage Sales And Marketing Inc [Member] \| Fee Percentage Two [Member]
Short-term Debt [Line Items]
Line of credit unused commitement fee percentage				0.25%
New Revolving Credit Facility [Member] \| Advantage Sales And Marketing Inc [Member] \| Eurodollar [Member] \| Variable Interest Rate Spread One [Member]
Short-term Debt [Line Items]
Debt instrument variable interest rate spread				2.00%
New Revolving Credit Facility [Member] \| Advantage Sales And Marketing Inc [Member] \| Eurodollar [Member] \| Variable Interest Rate Spread Two [Member]
Short-term Debt [Line Items]
Debt instrument variable interest rate spread				2.25%
New Revolving Credit Facility [Member] \| Advantage Sales And Marketing Inc [Member] \| Eurodollar [Member] \| Variable Interest Rate Spread Three [Member]
Short-term Debt [Line Items]
Debt instrument variable interest rate spread				2.50%
New Revolving Credit Facility [Member] \| Advantage Sales And Marketing Inc [Member] \| Base Rate [Member] \| Variable Interest Rate Spread One [Member]
Short-term Debt [Line Items]
Debt instrument variable interest rate spread				1.00%
New Revolving Credit Facility [Member] \| Advantage Sales And Marketing Inc [Member] \| Base Rate [Member] \| Variable Interest Rate Spread Two [Member]
Short-term Debt [Line Items]
Debt instrument variable interest rate spread				1.25%
New Revolving Credit Facility [Member] \| Advantage Sales And Marketing Inc [Member] \| Base Rate [Member] \| Variable Interest Rate Spread Three [Member]
Short-term Debt [Line Items]
Debt instrument variable interest rate spread				1.50%
New Revolving Credit Facility [Member] \| Advantage Sales And Marketing Inc [Member] \| Bank Of America [Member]
Short-term Debt [Line Items]
Line of credit facility term				5 years
New Secured First Lien Term Loan Facility [Member] \| Advantage Sales And Marketing Inc [Member]
Short-term Debt [Line Items]
Debt instrument face value				$ 1,325,000
Term loan instalment payment as a percentage of principal				1.00%
Term loan prepayment percentage premium				1.00%
Percentage of net cash proceeds of certain assets for term loan prepayments				100.00%
Percentage of net cash proceeds from certain debt issuance for term loan prepayments				100.00%
Percentage of excess cash flow for term loan prepayments				50.00%
Debt Instrument, Face Amount				$ 1,325,000
New Secured First Lien Term Loan Facility [Member] \| Advantage Sales And Marketing Inc [Member] \| Eurodollar [Member]
Short-term Debt [Line Items]
Debt instrument variable interest rate spread				5.25%
New Secured First Lien Term Loan Facility [Member] \| Advantage Sales And Marketing Inc [Member] \| Base Rate [Member]
Short-term Debt [Line Items]
Debt instrument variable interest rate spread				4.25%
Senior Secured Notes [Member] \| Advantage Sales And Marketing Inc [Member] \| Advantage Solutions Finco LLC [Member]
Short-term Debt [Line Items]
Debt instrument face value				$ 775,000
Long term debt instrument fixed rate of interest				6.50%
Senior secured notes year of maturity				2028
Debt instrument issued percentage of principal amount				100.00%
Debt instrument terms of interest payment				Interest on the Notes is payable semi-annually in arrears on May 15 and November 15
Long term debt instrument date when the periodic payment is to be first made				May 15, 2021
Debt instrument percentage of the principal amount redeemable prematurely				40.00%
Debt instrument percentage of the principal amount redeemable annually				10.00%
Percentage of note holders by value to approve for purchase of notes by the company				90.00%
Debt Instrument, Face Amount				$ 775,000
Senior Secured Notes [Member] \| Advantage Sales And Marketing Inc [Member] \| Advantage Solutions Finco LLC [Member] \| Redemption Price Percentage One [Member]
Short-term Debt [Line Items]
Debt instrument redemption price percentage				100.00%
Senior Secured Notes [Member] \| Advantage Sales And Marketing Inc [Member] \| Advantage Solutions Finco LLC [Member] \| Redemption Price Percentage Two [Member]
Short-term Debt [Line Items]
Debt instrument redemption price percentage				106.50%
Senior Secured Notes [Member] \| Advantage Sales And Marketing Inc [Member] \| Advantage Solutions Finco LLC [Member] \| Redemption Price Percentage Three [Member]
Short-term Debt [Line Items]
Debt instrument redemption price percentage				103.00%
Account Receivable Securitization Facility [Member] \| Revolving Credit Facility
Short-term Debt [Line Items]
Line of credit facility, maximum borrowing capacity										$ 300,000
Credit Facilities Member
Short-term Debt [Line Items]
Debt instrument face value								$ 3,300,000
Debt Instrument, Face Amount								$ 3,300,000