v3.22.0.1

ORGANIZATION (Details)	12 Months Ended
	Dec. 31, 2021
ORGANIZATION
Maximum percentage of total assets of investment securities	40.00%

X

- Definition

The represent information pertaining to maximum percentage of total asset investment securities.

+ References

No definition available.

+ Details

Name:	mcvt_MaximumPercentageOfTotalAssetsInvestmentSecurities
Namespace Prefix:	mcvt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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