XML 82 R73.htm IDEA: XBRL DOCUMENT
v3.23.3

Item 5. Other Information (Details Textual) | 9 Months Ended
--- | ---
Sep. 30, 2023
Rule 10b5-1 Arrangement Adopted [Flag] | false
Non-Rule 10b5-1 Arrangement Adopted [Flag] | false
Rule 10b5-1 Arrangement Terminated [Flag] | false
Non-Rule 10b5-1 Arrangement Terminated [Flag] | false

X
- Definition Represents Non-Rule 10b5-1 Arrangement Adopted [Flag]. + References No definition available. + Details
Name: | fcbc_Nonrule10b51ArrangementAdoptedFlag
Namespace Prefix: | fcbc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents Non-Rule 10b5-1 Arrangement Terminated [Flag]. + References No definition available. + Details
Name: | fcbc_Nonrule10b51ArrangementTerminatedFlag
Namespace Prefix: | fcbc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents Rule 10b5-1 Arrangement Adopted [Flag]. + References No definition available. + Details
Name: | fcbc_Rule10b51ArrangementAdoptedFlag
Namespace Prefix: | fcbc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents Rule 10b5-1 Arrangement Terminated [Flag]. + References No definition available. + Details
Name: | fcbc_Rule10b51ArrangementTerminatedFlag
Namespace Prefix: | fcbc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration