Name:	hckt_CompensationCostNotYetRecognizedOnNonvestedCommonStockSubjectToVestingRequirements
Namespace Prefix:	hckt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

As of the balance sheet date, the aggregate unrecognized cost of restricted stock unit-based awards made to employees under equity-based compensation awards that have yet to vest.

No definition available.

Name:	hckt_EmployeeServiceShareBasedCompensationNonvestedRestrictedStockUnitAwardsNetCompensationCostNotYetRecognized
Namespace Prefix:	hckt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

As of the balance sheet date, the aggregate unrecognized cost of nonvested common stock subject to vesting requirements made to employees.

No definition available.

Name:	hckt_FutureCompensationExpenseRelatedToNonvestedCommonStockSubjectToVestingRequirements
Namespace Prefix:	hckt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The number of nonvested common stock subject to vesting requirements, outstanding as of the balance sheet date.

No definition available.

Name:	hckt_NumberOfNonvestedCommonStockSubjectToVestingRequirements
Namespace Prefix:	hckt_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Number Of Nonvested Common Stock Subject To Vesting Requirements, Granted

No definition available.

Name:	hckt_NumberOfNonvestedCommonStockSubjectToVestingRequirementsGranted
Namespace Prefix:	hckt_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The number of restricted stock unit grants made during the period.

No definition available.

Name:	hckt_ShareBasedCompensationArrangementByRestrictedStockUnitBasedPaymentAwardEquityInstrumentsInPeriod
Namespace Prefix:	hckt_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The weighted average fair value of nonvested restricted stock unit-based awards for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

No definition available.

Name:	hckt_ShareBasedCompensationArrangementByRestrictedStockUnitBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Namespace Prefix:	hckt_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

The number of non-vested equity-based payment instruments, excluding stock (or unit) options and common stock subject to vesting requirements, that validly exist and are outstanding as of the balance sheet date.

No definition available.

Name:	hckt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAndCommonStockSubjectToVestingRequirementsNonvestedNumber
Namespace Prefix:	hckt_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The weighted average fair value of nonvested common stock subject to vesting requirements for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

No definition available.

Name:	hckt_WeightedAverageGrantDateFairValueOfNonvestedCommonStockSubjectToVestingRequirements
Namespace Prefix:	hckt_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

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.

No definition available.