XML 78 R63.htm IDEA: XBRL DOCUMENT v3.8.0.1

Note 1 - The Business of the Company (Details Textual)	Dec. 31, 2017
Number Of Bank Branches	9

X

- Definition

The number of branches operated by the entity.

+ References

No definition available.

+ Details

Name:	boch_NumberOfBankBranches
Namespace Prefix:	boch_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant