v3.22.2

ORGANIZATION (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
ORGANIZATION |  |
Maximum percentage of total assets of investment securities | 40.00% | 40.00%

X
- Definition The represent information pertaining to maximum percentage of total asset investment securities. + References No definition available. + Details
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Namespace Prefix: | mcvt_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration