v3.25.2

Note 1 - The Business of Plumas Bancorp (Details Textual)	Jun. 30, 2025
Number of Branches	19
CALIFORNIA
Number of Branches	13

Represents the number of branches operated by a bank.

No definition available.

Name:	plbc_NumberOfBranches
Namespace Prefix:	plbc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Name:	srt_StatementGeographicalAxis=stpr_CA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: