Cover Page - USD ($)	12 Months Ended
	Dec. 31, 2020	Feb. 12, 2021	Jun. 30, 2020
Cover [Abstract]
Document Type	10-K
Document Period End Date	Dec. 31, 2020
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Entity File Number	0-7617
Entity Central Index Key	0000102212
Entity Registrant Name	UNIVEST FINANCIAL CORPORATION
Entity Incorporation, State or Country Code	PA
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
Title of 12(b) Security	Common Stock, $5 par value
Trading Symbol	UVSP
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
ICFR Auditor Attestation Flag	true
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 462,333,150
Amendment Flag	false
Document Transition Report	false
Entity Common Stock, Shares Outstanding		29,317,550
Document Annual Report	true