Represents the value of purchases from suppliers of limited resources.

No definition available.

Name:	mnst_CostOfPurchasesOfDirectMaterialsFromSuppliersOfLimitedResources
Namespace Prefix:	mnst_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The remaining amount of maximum amount guaranteed for construction of a building under the construction contract during the period.

+ References

No definition available.

+ Details

Name:	mnst_GuaranteedMaximumConstructionPriceRemainingAmount
Namespace Prefix:	mnst_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The maximum amount guaranteed for construction of a building under the construction contract during the period.

+ References

No definition available.

+ Details

Name:	mnst_GuaranteedMaximumPurchasePrice
Namespace Prefix:	mnst_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of purchase agreement to acquire real estate property.

+ References

No definition available.

+ Details

Name:	mnst_PurchaseAgreementAmountRealEstateProperty
Namespace Prefix:	mnst_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Area of land held.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfLand
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

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

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

- Definition

Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=us-gaap_InventoriesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

COMMITMENTS AND CONTINGENCIES - Purchase Commitments (Details) $ in Millions	1 Months Ended	12 Months Ended
	Sep. 30, 2016 USD ($) a	Dec. 31, 2017 USD ($) ft²	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Purchase Commitments
Aggregate value of raw material purchases		$ 273.6	$ 205.9	$ 332.0
Area of real estate property \| ft²		1,000,000
Guaranteed Maximum Purchase Price	$ 38.1
Guaranteed maximum construction price, remaining amount		$ 4.6
Raw materials
Purchase Commitments
Purchase Commitments		$ 37.8
Obligation term ( in years)		1 year
Land
Purchase Commitments
Acres of land \| a	49
Purchase price	$ 39.1