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Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Common dividends declared, per share (in dollars per share)	$ 0.29	$ 0.27	$ 0.83	$ 0.77
Repurchase of common shares, per share (in dollars per share)	$ 31.36	$ 30.52	$ 29.83	$ 29.49

X

- Definition

Represents price per share for stock repurchased and retired during period.

+ References

No definition available.

+ Details

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Namespace Prefix:	fcbc_
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X

- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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