| Document and Entity Information Document | Apr. 22, 2021 |
| Entity Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Apr. 22, 2021 |
| Entity Registrant Name | CITY HOLDING COMPANY |
| Entity Central Index Key | 0000726854 |
| Amendment Flag | false |
| Entity Incorporation, State or Country Code | WV |
| Entity File Number | 0-11733 |
| Entity Tax Identification Number | 55-0619957 |
| Entity Address, Address Line One | 25 Gatewater Road |
| Entity Address, City or Town | Cross Lanes |
| Entity Address, State or Province | WV |
| Entity Address, Postal Zip Code | 25313 |
| City Area Code | 304 |
| Local Phone Number | 769-1100 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock $2.50 Par Value |
| Trading Symbol | CHCO |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
