| Cover | Dec. 09, 2019 |
| Cover page. | |
| Document Type | 8-K |
| Document Period End Date | Dec. 9, 2019 |
| Entity Registrant Name | UNIVEST FINANCIAL CORPORATION |
| Entity Incorporation, State or Country Code | PA |
| Entity File Number | 0-7617 |
| Entity Tax Identification Number | 23-1886144 |
| Entity Address, Address Line One | 14 North Main Street |
| Entity Address, City or Town | Souderton |
| Entity Address, State or Province | PA |
| Entity Address, Postal Zip Code | 18964 |
| City Area Code | 215 |
| Local Phone Number | 721-2400 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Title of 12(b) Security | Common Stock, $5 par value |
| Trading Symbol | UVSP |
| Security Exchange Name | NASDAQ |
| Entity Central Index Key | 0000102212 |
| Amendment Flag | false |
