Excise Taxes On Share Repurchases Incurred But Not Paid

No definition available.

Name:	hurn_ExciseTaxesOnShareRepurchasesIncurredButNotPaid
Namespace Prefix:	hurn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Share repurchases recognized during the period that have not yet been settled by the bank.

+ References

No definition available.

+ Details

Name:	hurn_ShareRepurchasesInitiatedbutnotyetSettled
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

StockPurchaseInitiatedbutnotyetSettledShares

+ References

No definition available.

+ Details

Name:	hurn_StockPurchaseInitiatedbutnotyetSettledShares
Namespace Prefix:	hurn_
Data Type:	xbrli:sharesItemType
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

No definition available.

+ Details

Name:	us-gaap_AcceleratedShareRepurchasesLineItems
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Balance Type:	na
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- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482662/260-10-50-1

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramAuthorizedAmount1
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Expiration date for the purchase of an entity's own shares under a stock repurchase plan, in the YYYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramExpirationDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

+ Details

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

- Definition

Number of shares that have been repurchased and retired during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_ShareRepurchaseProgramAxis=hurn_ShareRepurchaseProgramMember
Namespace Prefix:
Data Type:	na
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Period Type:

Earnings Per Share - Narrative (Details) - USD ($)	3 Months Ended				9 Months Ended
Earnings Per Share - Narrative (Details) - USD ($)	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Nov. 30, 2020
Accelerated Share Repurchases [Line Items]
Stock repurchased and retired	$ 7,342,000		$ 28,787,000		$ 104,027,000	$ 88,433,000
Antidilutive securities (shares)			100,000		100,000	100,000
Excise tax on net share repurchases included in current liabilities	100,000		$ 300,000		$ 502,000	$ 643,000
Stock Repurchase Program Expiration Date					Dec. 31, 2025
2020 Share repurchase program
Accelerated Share Repurchases [Line Items]
Share repurchase authorized amount	$ 500,000,000				$ 500,000,000				$ 50,000,000
Stock repurchased and retired (shares)	66,354		290,288		1,067,545	1,116,830
Stock repurchased and retired	$ 7,300,000		$ 28,800,000		$ 104,000,000	$ 88,400,000
Settlement of repurchase of shares (in shares)		10,000		15,200
Share repurchases included in current liabilities							$ 1,000,000	$ 1,100,000
Remaining authorized repurchase amount	$ 82,700,000				$ 82,700,000