v3.22.2.2
Document and Entity Information
Oct. 03, 2022
Cover [Abstract]  
Security Exchange Name NASDAQ
Amendment Flag false
Entity Central Index Key 0000944745
Document Type 8-K
Document Period End Date Oct. 03, 2022
Entity Registrant Name Civista Bancshares, Inc.
Entity Incorporation State Country Code OH
Entity File Number 001-36192
Entity Tax Identification Number 34-1558688
Entity Address, Address Line One 100 East Water Street
Entity Address, Address Line Two P.O. Box 5016
Entity Address, City or Town Sandusky
Entity Address, State or Province OH
Entity Address, Postal Zip Code 44870
City Area Code (419)
Local Phone Number 625-4121
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common
Trading Symbol CIVB
Entity Emerging Growth Company false