SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)	0 Months Ended
Feb. 26, 2013 item
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Number of conditions, occurrence of which is required for issuance of license	0
Maximum period from approval during which number of conditions must be met	6 months

Represents the maximum period from approval during which a number of conditions must be met before the license can be issued.

No definition available.

Name:	mcri_MaximumPeriodFromApprovalDuringWhichNumberOfConditionsMustBeMet
Namespace Prefix:	mcri_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration