XML 143 R109.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Derivatives (Outstanding Derivatives Entered Into to Hedge Inventory or Fixed Price Purchase Commitments) (Details) bbl in Thousands	12 Months Ended
	Dec. 31, 2018 bbl $ / bbl $ / units
Sell (Short) Contracts | Designated as hedges under accounting rules | Futures | Crude Oil
Derivative [Line Items]
Contract volumes (1,000 bbls)	56
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl	53.11
Sell (Short) Contracts | Not qualifying or not designated as hedges under accounting rules | Futures | Crude Oil
Derivative [Line Items]
Contract volumes (1,000 bbls)	293
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl	49.85
Sell (Short) Contracts | Not qualifying or not designated as hedges under accounting rules | Futures | Natural Gas
Derivative [Line Items]
Contract volumes (1,000 bbls)	137
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl	3.53
Sell (Short) Contracts | Not qualifying or not designated as hedges under accounting rules | Futures | Diesel
Derivative [Line Items]
Contract volumes (1,000 bbls)	2
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl	1.89
Sell (Short) Contracts | Not qualifying or not designated as hedges under accounting rules | Futures | RBOB Gas
Derivative [Line Items]
Contract volumes (1,000 bbls)	2
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl	1.35
Sell (Short) Contracts | Not qualifying or not designated as hedges under accounting rules | Futures | Fuel Oil
Derivative [Line Items]
Contract volumes (1,000 bbls)	382
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl	51.41
Sell (Short) Contracts | Not qualifying or not designated as hedges under accounting rules | Swap | Natural Gas
Derivative [Line Items]
Contract volumes (1,000 bbls)	502
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl	0.62
Sell (Short) Contracts | Not qualifying or not designated as hedges under accounting rules | Options | Crude Oil
Derivative [Line Items]
Contract volumes (1,000 bbls)	26
Weighted average premium received (in dollars per barrel) | $ / bbl	2.66
Buy (Long) Contracts | Designated as hedges under accounting rules | Futures | Crude Oil
Derivative [Line Items]
Contract volumes (1,000 bbls)	0
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl	0
Buy (Long) Contracts | Not qualifying or not designated as hedges under accounting rules | Futures | Crude Oil
Derivative [Line Items]
Contract volumes (1,000 bbls)	234
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl	49.37
Buy (Long) Contracts | Not qualifying or not designated as hedges under accounting rules | Futures | Natural Gas
Derivative [Line Items]
Contract volumes (1,000 bbls)	590
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl	2.91
Buy (Long) Contracts | Not qualifying or not designated as hedges under accounting rules | Futures | Diesel
Derivative [Line Items]
Contract volumes (1,000 bbls)	2
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl	1.85
Buy (Long) Contracts | Not qualifying or not designated as hedges under accounting rules | Futures | RBOB Gas
Derivative [Line Items]
Contract volumes (1,000 bbls)	1
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl	1.29
Buy (Long) Contracts | Not qualifying or not designated as hedges under accounting rules | Futures | Fuel Oil
Derivative [Line Items]
Contract volumes (1,000 bbls)	40
Weighted average contract price per bbl (in dollars per barrel) | $ / bbl	49.94
Buy (Long) Contracts | Not qualifying or not designated as hedges under accounting rules | Swap | Natural Gas
Derivative [Line Items]
Contract volumes (1,000 bbls)	0
Weighted average contract price per bbl (in dollars per barrel) | $ / units	0
Buy (Long) Contracts | Not qualifying or not designated as hedges under accounting rules | Options | Crude Oil
Derivative [Line Items]
Contract volumes (1,000 bbls)	0
Weighted average premium received (in dollars per barrel) | $ / bbl	0

X

- Definition

Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

Name:	invest_DerivativeNonmonetaryNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

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

X

- Definition

Specified interest rate, security price, commodity price, foreign exchange rate, index of prices or rates for a derivative contract but not the derivative contract itself.

+ References

No definition available.

+ Details

Name:	us-gaap_UnderlyingDerivative
Namespace Prefix:	us-gaap_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Specified interest rate, security price, commodity price, foreign exchange rate, index of prices or rates for a derivative contract measured in volume but not the derivative contract itself.

+ References

No definition available.

+ Details

Name:	us-gaap_UnderlyingDerivativeVolume
Namespace Prefix:	us-gaap_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_PositionAxis=us-gaap_ShortMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_FutureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_EnergyAxis=us-gaap_CrudeOilMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_EnergyAxis=srt_NaturalGasReservesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_EnergyAxis=gel_DieselFuturesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_EnergyAxis=gel_RBOBGasFuturesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_EnergyAxis=gel_FuelOilFuturesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_SwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_OptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PositionAxis=us-gaap_LongMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: