XML 75 R62.htm IDEA: XBRL DOCUMENT
v3.25.4

Other Intangible Assets - Other Identifiable Intangible Assets and Related Accumulated Amortization (Detail) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Schedule Of Finite and Indefinite Lived Other Intangible Assets [Line Items] |  |
Intangible assets not subject to amortization, Gross Carrying Amount | $ 96,672 | $ 70,003
Licenses and Accreditations [Member] |  |
Schedule Of Finite and Indefinite Lived Other Intangible Assets [Line Items] |  |
Intangible assets not subject to amortization, Gross Carrying Amount | 11,788 | 11,631
Trade Names [Member] |  |
Schedule Of Finite and Indefinite Lived Other Intangible Assets [Line Items] |  |
Intangible assets not subject to amortization, Gross Carrying Amount | 54,726 | 39,587
Certificates of Need [Member] |  |
Schedule Of Finite and Indefinite Lived Other Intangible Assets [Line Items] |  |
Intangible assets not subject to amortization, Gross Carrying Amount | $ 30,158 | $ 18,785

X
- Definition Schedule of finite and indefinite lived other intangible assets. + References No definition available. + Details
Name: | achc_ScheduleOfFiniteAndIndefiniteLivedOtherIntangibleAssetsLineItems
Namespace Prefix: | achc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name Accounting Standards Codification -Section 55 -Paragraph 40 -SubTopic 30 -Topic 350 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480265/350-10-S45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_LicensingAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TradeNamesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=achc_CertificateOfNeedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |