XML 62 R51.htm IDEA: XBRL DOCUMENT v3.23.3

Retirement Plan (Details)	6 Months Ended
Retirement Plan (Details)	Jun. 30, 2023
Retirement Plan [Abstract]
Percentage of gross pay	3.00%

X

- Definition

The percentage of gross pay.

+ References

No definition available.

+ Details

Name:	bwv_GrossPayPercentage
Namespace Prefix:	bwv_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	bwv_RetirementPlanAbstract
Namespace Prefix:	bwv_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration