Business Combination, Stock Contingent Consideration, Liability

No definition available.

Name:	asth_BusinessCombinationStockContingentConsiderationLiability
Namespace Prefix:	asth_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479907/805-20-50-5

+ Details

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

- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479328/805-10-50-2

+ Details

Name:	us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479581/805-30-50-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479668/805-30-25-6

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 35
-Paragraph 1
-Subparagraph (b)
-SubTopic 30
-Topic 805
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479613/805-30-35-1

+ Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

Business Combinations, Asset Acquisitions, and Goodwill - Additional Information (Details) - USD ($) $ in Thousands	Dec. 31, 2023	May 01, 2023	Dec. 31, 2022	Oct. 31, 2022	Oct. 14, 2022	Apr. 19, 2022	Jan. 27, 2022
For Your Benefit Inc.
Business Acquisition [Line Items]
Interest acquired (percent)		100.00%
AAMG
Business Acquisition [Line Items]
Interest acquired (percent)	100.00%			100.00%
Business combination, contingent consideration, liability	$ 5,475		$ 5,849	$ 5,900
Business combination, stock contingent consideration, liability	$ 5,600		$ 5,600	$ 5,600
Valley Oaks Medical Group
Business Acquisition [Line Items]
Interest acquired (percent)					100.00%
Jade Health Care Medical Group, Inc.
Business Acquisition [Line Items]
Interest acquired (percent)						100.00%
Orma Health, Inc., and Provider Growth Solutions LLC
Business Acquisition [Line Items]
Interest acquired (percent)							100.00%