Sale Of Stock, Percentage Of Ownership Sold

No definition available.

Name:	gel_SaleOfStockPercentageOfOwnershipSold
Namespace Prefix:	gel_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Stock Repurchase Program, Percentage of Shares Authorized to be Repurchased

+ References

No definition available.

+ Details

Name:	gel_StockRepurchaseProgramPercentageOfSharesAuthorizedToBeRepurchased
Namespace Prefix:	gel_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Temporary Equity, Stock Issued During Period, Shares, New Issues

+ References

No definition available.

+ Details

Name:	gel_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	gel_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-15

+ Details

Name:	us-gaap_PaymentsToMinorityShareholders
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

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

- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

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

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

- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481549/505-30-45-1

+ Details

Name:	us-gaap_TreasuryStockAcquiredAverageCostPerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_ConvertiblePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShareRepurchaseProgramAxis=gel_A2023RepurchaseProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srt_AffiliatedEntityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=gel_CameronHighwayOilPipelineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=gel_IndependenceHubLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=gel_GenesisEnergyLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Partners' Capital, Mezzanine Equity and Distributions (Noncontrolling Interest) (Details)					1 Months Ended	3 Months Ended	12 Months Ended
	Jul. 03, 2023 shares	Apr. 03, 2023 shares	Nov. 17, 2021 USD ($)	Nov. 16, 2021	Dec. 31, 2021	Dec. 31, 2023 $ / shares	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Aug. 08, 2023 shares
Subsidiary, Sale of Stock [Line Items]
Cash proceeds from the sale of a noncontrolling interest in a subsidiary							$ 0	$ 0	$ 418,140,000
Payments to noncontrolling interests							$ 44,579,000	$ 31,867,000	$ 903,000
Class A Convertible Preferred Stock Units
Subsidiary, Sale of Stock [Line Items]
Temporary Equity, Stock Issued During Period, Shares, New Issues \| shares	2,224,860	2,224,860					(93,900,000)
2023 Repurchase Program \| Class A
Subsidiary, Sale of Stock [Line Items]
Shares Acquired, Average Cost Per Share \| $ / shares						$ 9.09
Stock Repurchase Program, Number of Shares Authorized to be Repurchased \| shares										12,253,922
Stock Repurchase Program, Percentage of Shares Authorized to be Repurchased										0.10
Affiliated Entity \| CHOPS
Subsidiary, Sale of Stock [Line Items]
Percentage of ownership in equity interest sold				0.36
Cash proceeds from the sale of a noncontrolling interest in a subsidiary			$ 418,000,000
Percentage of ownership in equity interest retained					64.00%
Affiliated Entity \| Independence Hub, LLC \| Genesis Energy, LLC
Subsidiary, Sale of Stock [Line Items]
Percentage of ownership equity interest						80.00%	80.00%