Label

Element

Value

Prospectus [Line Items]

rr_ProspectusLineItems

Document Type

dei_DocumentType

497

Document Period End Date

dei_DocumentPeriodEndDate

Dec. 31, 2020

Entity Registrant Name

dei_EntityRegistrantName

THE ADVISORS’ INNER CIRCLE FUND II

Entity Central Index Key

dei_EntityCentralIndexKey

0000890540

Entity Inv Company Type

dei_EntityInvCompanyType

N-1A

Amendment Flag

dei_AmendmentFlag

false

Document Creation Date

dei_DocumentCreationDate

Feb. 25, 2022

Document Effective Date

dei_DocumentEffectiveDate

Feb. 25, 2022

Prospectus Date

rr_ProspectusDate

May 01, 2021

CHAMPLAIN SMALL COMPANY FUND

Prospectus [Line Items]

rr_ProspectusLineItems

Supplement to Prospectus [Text Block]

rr_SupplementToProspectusTextBlock

THE ADVISORS’ INNER CIRCLE FUND II

Champlain Small Company Fund

Champlain Mid Cap Fund

(the “Funds”)

Supplement dated February 25, 2022 to the Funds’ Prospectus dated May 1, 2021

(the “Prospectus”)

This supplement provides new and additional information beyond that contained in the Prospectus, and should be read in conjunction with the Prospectus.

1. The second sentence of the Champlain Small Company Fund’s “Principal Investment Strategies” section is hereby deleted and replaced with the following:

For purposes of this policy, a small company is a company that, at the time of initial purchase, is included in either the S&P SmallCap 600 or the Russell 2000 Index, or that has a market capitalization that falls within the range of the Russell 2000 Index as measured as of the index’s most recent annual reconstitution.

2. The second sentence of the Champlain Mid Cap Fund’s “Principal Investment Strategies” section is hereby deleted and replaced with the following:

For purposes of this policy, a medium-sized company is a company that, at the time of initial purchase, is included in either the S&P MidCap 400 or the Russell Midcap Index, or that has a market capitalization that falls within the range of the Russell Midcap Index as measured as of the index’s most recent annual reconstitution.

PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

CSC-SK-018-0100

CHAMPLAIN MID CAP FUND

Prospectus [Line Items]

rr_ProspectusLineItems

Supplement to Prospectus [Text Block]

rr_SupplementToProspectusTextBlock

THE ADVISORS’ INNER CIRCLE FUND II

Champlain Small Company Fund

Champlain Mid Cap Fund

(the “Funds”)

Supplement dated February 25, 2022 to the Funds’ Prospectus dated May 1, 2021

(the “Prospectus”)

This supplement provides new and additional information beyond that contained in the Prospectus, and should be read in conjunction with the Prospectus.

1. The second sentence of the Champlain Small Company Fund’s “Principal Investment Strategies” section is hereby deleted and replaced with the following:

For purposes of this policy, a small company is a company that, at the time of initial purchase, is included in either the S&P SmallCap 600 or the Russell 2000 Index, or that has a market capitalization that falls within the range of the Russell 2000 Index as measured as of the index’s most recent annual reconstitution.

2. The second sentence of the Champlain Mid Cap Fund’s “Principal Investment Strategies” section is hereby deleted and replaced with the following:

For purposes of this policy, a medium-sized company is a company that, at the time of initial purchase, is included in either the S&P MidCap 400 or the Russell Midcap Index, or that has a market capitalization that falls within the range of the Russell Midcap Index as measured as of the index’s most recent annual reconstitution.

PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

CSC-SK-018-0100