XML 37 R28.htm IDEA: XBRL DOCUMENT v3.23.2

Basis of Presentation (Narrative) (Details)	6 Months Ended
	Jun. 30, 2023 item
Basis of Presentation [Abstract]
Number of jurisdictions	7

X

- Definition

Number of jurisdictions

+ References

No definition available.

+ Details

Name:	botj_NumberOfJurisdictions
Namespace Prefix:	botj_
Data Type:	xbrli:integerItemType
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