Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2023	Feb. 26, 2024	Jun. 30, 2023
Document and Entity Information
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
Document Transition Report	false
Entity File Number	000-23423
Entity Registrant Name	C & F FINANCIAL CORPORATION
Entity Incorporation, State or Country Code	VA
Entity Address, Address Line One	3600 La Grange Parkway
Entity Tax Identification Number	54-1680165
Entity Address, City or Town	Toano
Entity Address, State or Province	VA
Entity Address, Postal Zip Code	23168
City Area Code	804
Local Phone Number	843-2360
Title of 12(b) Security	Common Stock, $1.00 par value per share
Trading Symbol	CFFI
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Public Float			$ 170,815,028
Entity Common Stock, Shares Outstanding		3,373,503
Entity Central Index Key	0000913341
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Amendment Flag	false
Auditor Name	Yount, Hyde & Barbour, P.C.
Auditor Firm ID	613
Auditor Location	Richmond, Virginia