XML 37 R27.htm IDEA: XBRL DOCUMENT v3.21.2

Earnings Per Common Share (EPS) (Narrative) (Details)		3 Months Ended
	May 18, 2021	Jun. 30, 2021
Earnings Per Common Share (EPS) [Abstract]
Percentage of Stock Divided Issued	10.00%	10.00%

X

- Definition

The percentage of stock divided issued during the period.

+ References

No definition available.

+ Details

Name:	botj_PercentageOfStockDividedIssued
Namespace Prefix:	botj_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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