Document And Entity Information - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Feb. 19, 2021	Jun. 30, 2020
Cover [Abstract]
Entity Interactive Data Current	Yes
Title of 12(b) Security	Common Stock, $2.50 par value
Entity Address, State or Province	WV
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2020
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2020
Entity Registrant Name	CITY HOLDING COMPANY
Entity Central Index Key	0000726854
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		15,734,396
Trading Symbol	CHCO
Entity Public Float			$ 1,000,000
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Incorporation, State or Country Code	WV
Entity Tax Identification Number	55-0619957
Document Annual Report	true
Document Transition Report	false
Entity File Number	0-11733
Entity Address, Address Line One	25 Gatewater Road
Entity Address, City or Town	Charleston
Entity Address, Postal Zip Code	25313
City Area Code	304
Local Phone Number	769-1100
Security Exchange Name	NASDAQ
ICFR Auditor Attestation Flag	true