ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition (Details)	12 Months Ended
Dec. 31, 2017
Accounting Policies
Distribution agreement, revenue recognition period	20 years

Represents the anticipated life of distribution agreements over which amounts received are recognized as revenue ratably over the period.

No definition available.

Name:	mnst_DistributionAgreementRevenueRecognitionPeriod
Namespace Prefix:	mnst_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration