Cover
Cover | Jul. 27, 2021 | Apr. 28, 2021 | Jun. 30, 2021 |
Cover [Abstract] | |||
Document Type | 8-K | ||
Document Period End Date | Jul. 27, 2021 | ||
Entity Registrant Name | TriCo Bancshares | ||
Entity Incorporation, State or Country Code | CA | ||
Entity File Number | 0-10661 | ||
Entity Tax Identification Number | 94-2792841 | ||
Entity Address, Address Line One | 63 Constitution Drive | ||
Entity Address, City or Town | Chico, | ||
Entity Address, State or Province | CA | ||
Entity Address, Postal Zip Code | 95973 | ||
City Area Code | 530 | ||
Local Phone Number | 898-0300 | ||
Written Communications | false | ||
Soliciting Material | false | ||
Pre-commencement Tender Offer | false | ||
Pre-commencement Issuer Tender Offer | false | ||
Title of 12(b) Security | Common Stock, no par value | ||
Trading Symbol | TCBK | ||
Security Exchange Name | NASDAQ | ||
Entity Emerging Growth Company | false | ||
Amendment Flag | false | ||
Entity Central Index Key | 0000356171 |