v3.26.1
Note 1 - The Business of Plumas Bancorp (Details Textual)
Jul. 01, 2025
Dec. 31, 2025
Number of Branches   3
Cornerstone Community Bancorp [Member]    
Number of Branches Acquired 4  
CALIFORNIA    
Number of Branches   17
Anderson, CA [Member] | Cornerstone Community Bancorp [Member]    
Number of Branches Acquired 1  
Red Bluff, CA [Member] | Cornerstone Community Bancorp [Member]    
Number of Branches Acquired 1  
Redding, CA [Member] | Cornerstone Community Bancorp [Member]    
Number of Branches Acquired 2