XML 162 R143.htm IDEA: XBRL DOCUMENT v3.22.4
TriCo Bancshares Condensed Financial Statements (Parent Only) - Condensed Balance Sheets (Parenthetical) (Detail) - $ / shares
Dec. 31, 2022
Dec. 31, 2021
Condensed Financial Statements, Captions [Line Items]    
Preferred stock, par value (in dollars per share) $ 0 $ 0
Preferred stock, shares authorized (in shares) 1,000,000 1,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0 $ 0
Common stock, shares authorized (in shares) 50,000,000 50,000,000
Common stock, shares issued (in shares) 33,331,513 29,730,424
Common stock, shares outstanding (in shares) 33,331,513 29,730,424