v3.22.2

Document and Entity Information	Aug. 09, 2022
Cover [Abstract]
Entity Address, Address Line Two	Suite T-200
Amendment Flag	true
Entity Central Index Key	0001283630
Document Type	8-K/A
Document Period End Date	Aug. 09, 2022
Entity Registrant Name	American Campus Communities, Inc.
Entity Incorporation State Country Code	MD
Entity File Number	001-32265
Entity Tax Identification Number	76-0753089
Entity Address, Address Line One	12700 Hill Country Blvd.
Entity Address, City or Town	Austin
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	78738
City Area Code	(512)
Local Phone Number	732-1000
Written Communications	false
Soliciting Material	false
Pre Commencement Tender Offer	false
Pre Commencement Issuer Tender Offer	false
Security 12b Title	Common Stock, par value $0.01 per share
Trading Symbol	ACC
Security Exchange Name	NYSE
Entity Emerging Growth Company	false
Amendment Description	On August 9, 2022, the Registrant filed with the Securities and Exchange Commission a Current Report on Form 8-K dated August 9, 2022 (the “Form 8-K”) to report, among other things, the completion of the transactions contemplated by the Merger Agreement (as defined below).

Description of changes contained within amended document.

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For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

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Address Line 1 such as Attn, Building Name, Street Name

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Name of the state or province.

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

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The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

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The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.

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AMERICAN CAMPUS COMMUNITIES INC 8-K/A