XML 39 R25.htm IDEA: XBRL DOCUMENT v3.22.1

Note 2 - Revenue Recognition (Details Textual)	3 Months Ended
	Mar. 31, 2022
Revenue from Interest Income and Noninterest Income, Percent	90.40%

X

- Definition

Represents the percentage of revenue from interest income and noninterest income.

+ References

No definition available.

+ Details

Name:	mbcn_RevenueFromInterestIncomeAndNoninterestIncomePercent
Namespace Prefix:	mbcn_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration