XML 116 R100.htm IDEA: XBRL DOCUMENT v3.22.0.1

Note 13 - Other Operating Income and Expense (Details Textual)	12 Months Ended
	Dec. 31, 2021
Percentage of Operating Income	1.00%

X

- Definition

Represents the percentage of operating income that other components cannot exceed.

+ References

No definition available.

+ Details

Name:	fcbc_PercentageOfOperatingIncome
Namespace Prefix:	fcbc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration