With respect to a business combination completed during the period, this element provides a description of the business, other than the name, which may include the industry, size, products and other important information.

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

+ Details

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

- Definition

Date when the acquirer obtains control of the acquiree, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 25
-Paragraph 7
-SubTopic 10
-Topic 805
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479405/805-10-25-7

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

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-Name Accounting Standards Codification
-Section 25
-Paragraph 6
-SubTopic 10
-Topic 805
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479405/805-10-25-6

+ Details

Name:	us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
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

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

Name of the acquired entity.

+ References

+ Details

Name:	us-gaap_BusinessAcquisitionNameOfAcquiredEntity
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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Acquisitions (Details)	Jul. 11, 2025 Rate	Jun. 24, 2025	Mar. 17, 2025	Mar. 01, 2025 Rate
Advancement Resources Acquisition
Business Acquisition [Line Items]
Business Acquisition, Name of Acquired Entity				Advancement Resources
Business Acquisition, Percentage of Voting Interests Acquired				100.00%
Business Acquisition, Effective Date of Acquisition				Mar. 01, 2025
Business Acquisition, Description of Acquired Entity				a research-based, philanthropy-focused professional education services firm
Halpin Acquisition
Business Acquisition [Line Items]
Business Acquisition, Name of Acquired Entity			Halpin Partnership Limited (“Halpin”)
Business Acquisition, Effective Date of Acquisition				Mar. 17, 2025
Business Acquisition, Description of Acquired Entity			a U.K.-based management consultancy specializing in higher education fundraising, governance, and strategy
Eclipse Insight LLC
Business Acquisition [Line Items]
Business Acquisition, Name of Acquired Entity		Eclipse Insights LLC (“Eclipse Insights”)
Business Acquisition, Effective Date of Acquisition		Jun. 24, 2025
Business Acquisition, Description of Acquired Entity		a revenue cycle consulting firm dedicated to helping healthcare organizations maximize revenue and improve cash flow
TVG_Treliant Holdings, LLC \| Subsequent Event
Business Acquisition [Line Items]
Business Acquisition, Name of Acquired Entity	TVG-Treliant Holdings, LLC. (“Treliant”)
Business Acquisition, Percentage of Voting Interests Acquired	100.00%
Business Acquisition, Effective Date of Acquisition	Jul. 11, 2025
Business Acquisition, Description of Acquired Entity	an advisory and managed services firm that provides expertise to the financial services industry in navigating regulatory requirements