No definition available.

Name:	hrbr_ContractLiabilitiesRollForward
Namespace Prefix:	hrbr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Contract with Customer, Liability, Current, Included In Opening Balance

No definition available.

Name:	hrbr_ContractWithCustomerLiabilityCurrentIncludedInOpeningBalance
Namespace Prefix:	hrbr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Contract with Customer, Liability, Current, Including Revenue Recognized During Period

No definition available.

Name:	hrbr_ContractWithCustomerLiabilityCurrentIncludingRevenueRecognizedDuringPeriod
Namespace Prefix:	hrbr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Contract with Customer, Liability, Excluding Revenue Recognized, Current

No definition available.

Name:	hrbr_ContractWithCustomerLiabilityExcludingRevenueRecognizedCurrent
Namespace Prefix:	hrbr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Contract with Customer, Liability, Excluding Revenue Recognized, Noncurrent

No definition available.

Name:	hrbr_ContractWithCustomerLiabilityExcludingRevenueRecognizedNoncurrent
Namespace Prefix:	hrbr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Contract with Customer, Liability, Reclassification Between Current And Non-Current, Current

No definition available.

Name:	hrbr_ContractWithCustomerLiabilityReclassificationBetweenCurrentAndNonCurrentCurrent
Namespace Prefix:	hrbr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Contract with Customer, Liability, Reclassification Between Current And Non-Current, Noncurrent

No definition available.

Name:	hrbr_ContractWithCustomerLiabilityReclassificationBetweenCurrentAndNonCurrentNoncurrent
Namespace Prefix:	hrbr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Contract with Customer, Liability, Revenue Recognized, Current

No definition available.

Name:	hrbr_ContractWithCustomerLiabilityRevenueRecognizedCurrent
Namespace Prefix:	hrbr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Contract with Customer, Liability, Revenue Recognized, Noncurrent

No definition available.

Name:	hrbr_ContractWithCustomerLiabilityRevenueRecognizedNoncurrent
Namespace Prefix:	hrbr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-8

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-2

HARBOR DIVERSIFIED, INC. 10-Q