Greenlane Holdings, Inc. Quarterly report pursuant to Section 13 or 15(d)

Name:	gnln_EquitybasedCompensationTextualAbstract
Namespace Prefix:	gnln_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Unrecognized compensation expense related to unvested Common Units.

No definition available.

Name:	gnln_UnrecognizedCompensationExpenseRelatedToUnvestedCommonUnits
Namespace Prefix:	gnln_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Unrecognized compensation expense related to unvested common units weighted-average period.

No definition available.

Name:	gnln_UnrecognizedCompensationExpenseRelatedToUnvestedCommonUnitsWeightedaveragePeriod
Namespace Prefix:	gnln_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Unrecognized compensation expense related to unvested stock options.

No definition available.

Name:	gnln_UnrecognizedCompensationExpenseRelatedToUnvestedStockOptions
Namespace Prefix:	gnln_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Unrecognized Compensation Expense Related To Unvested Stock Options Weighted-Average Period.

No definition available.

Name:	gnln_UnrecognizedCompensationExpenseRelatedToUnvestedStockOptionsWeightedAveragePeriod
Namespace Prefix:	gnln_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Name:	us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Number of shares authorized for issuance under share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Name:	us-gaap_AwardTypeAxis=gnln_TwoThousandNineteenEquityIncentivePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_AwardTypeAxis=us-gaap_EmployeeStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_OptionIndexedToIssuersEquityTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: