REGULATORY RESTRICTION ON DIVIDEND (Details)	12 Months Ended
Dec. 31, 2014
REGULATORY RESTRICTION ON DIVIDEND
Number of preceding years, the retained net profits of which is considered for dividend payment	2 years

Represents the number of preceding years, the retained net profits of which is combined with the current year's profits used to determine the amount of dividends declared in any calendar year.

No definition available.

Name:	mvbf_DividendRestrictionsNumberOfPrecedingYearsRetainedNetProfits
Namespace Prefix:	mvbf_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration