v3.26.1
Schedule H, Line 4i - Schedule of Assets (Held at End of Year) 2 2 (Details) - EBP 95-3520374 001 [Member]
12 Months Ended
Dec. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Minimum [Member]    
EBP, Asset Held for Investment, Participant Loan, Interest Rate   4.25%
Maximum [Member]    
EBP, Asset Held for Investment, Participant Loan, Interest Rate   9.50%
Investment, Identifier [Axis]: CapitalResearchAndMgmtCoAmFundsEUPACR6FundMember    
Investment type   Mutual Fund [Member]
Investment value $ 1,553,025 $ 1,553,025
Investment, Identifier [Axis]: DFAEmergMktCoreEqtyIFdMember    
Investment type   Mutual Fund [Member]
Investment value 295,147 $ 295,147
Investment, Identifier [Axis]: FidelityAdvEqGrowthZFundMember    
Investment type   Mutual Fund [Member]
Investment value 2,564,867 $ 2,564,867
Investment, Identifier [Axis]: JanusHendersonEnterNFundMember    
Investment type   Mutual Fund [Member]
Investment value 1,277,349 $ 1,277,349
Investment, Identifier [Axis]: LACapitalMidCapValueIR6FundMember    
Investment type   Mutual Fund [Member]
Investment value 816,105 $ 816,105
Investment, Identifier [Axis]: MacquarieSmallCapValueR6FundMember    
Investment type   Mutual Fund [Member]
Investment value 208,393 $ 208,393
Investment, Identifier [Axis]: PGIMHighYieldR6FundMember    
Investment type   Mutual Fund [Member]
Investment value $ 145,932 $ 145,932
Investment, Identifier [Axis]: ParticipantLoansMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Notes Receivable from Participants $ 0 $ 0
EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution $ 416,417 $ 416,417
Investment, Identifier [Axis]: ParticipantLoansMember | Minimum [Member]    
EBP, Asset Held for Investment, Participant Loan, Interest Rate 4.25%  
EBP, Asset Held for Investment, Participant Loan, Maturity Date Dec. 31, 2026  
Investment, Identifier [Axis]: ParticipantLoansMember | Maximum [Member]    
EBP, Asset Held for Investment, Participant Loan, Interest Rate 9.50%  
EBP, Asset Held for Investment, Participant Loan, Maturity Date Dec. 31, 2035  
Investment, Identifier [Axis]: PlumasBancorpCommonStockMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   EBP, Employer, Common Stock [Member]
Investment value $ 4,515,881 $ 4,515,881
Investment, Identifier [Axis]: PrincipalCapAppInstFundMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 2,538,007 $ 2,538,007
Investment, Identifier [Axis]: PrincipalCoreFixedMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 380,006 $ 380,006
Investment, Identifier [Axis]: PrincipalEquityIncomeInstFundMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 231,504 $ 231,504
Investment, Identifier [Axis]: PrincipalFixedIncomeGuaranteedOptionMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   EBP, Traditional Guaranteed Investment Contract [Member]
Investment value $ 822,452 $ 822,452
Investment, Identifier [Axis]: PrincipalLIfeTime2015InstFundMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 54,473 $ 54,473
Investment, Identifier [Axis]: PrincipalLIfeTime2065InstFundMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 202,693 $ 202,693
Investment, Identifier [Axis]: PrincipalLIfeTime2070InstFundMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 68,133 $ 68,133
Investment, Identifier [Axis]: PrincipalLgCpSP500IdxInstFundMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 1,703,517 $ 1,703,517
Investment, Identifier [Axis]: PrincipalLifeTime2020InstFundMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 425,740 $ 425,740
Investment, Identifier [Axis]: PrincipalLifeTime2025InstFundMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 1,682,289 $ 1,682,289
Investment, Identifier [Axis]: PrincipalLifeTime2030InstFundMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 2,628,370 $ 2,628,370
Investment, Identifier [Axis]: PrincipalLifeTime2035InstFundMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 1,212,745 $ 1,212,745
Investment, Identifier [Axis]: PrincipalLifeTime2040InstFundMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 750,754 $ 750,754
Investment, Identifier [Axis]: PrincipalLifeTime2045InstFundMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 1,871,081 $ 1,871,081
Investment, Identifier [Axis]: PrincipalLifeTime2050InstFundMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 1,257,021 $ 1,257,021
Investment, Identifier [Axis]: PrincipalLifeTime2055InstFundMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 808,760 $ 808,760
Investment, Identifier [Axis]: PrincipalLifeTime2060InstFundMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 369,945 $ 369,945
Investment, Identifier [Axis]: PrincipalLifeTimeHybridIncR6Member    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment value $ 3,073 $ 3,073
Investment, Identifier [Axis]: PrincipalMidCapSP400IdxR6FundMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 209,773 $ 209,773
Investment, Identifier [Axis]: PrincipalPensionBuilderMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Deferred Fixed Annuity [Member]
Investment value $ 2,734 $ 2,734
Investment, Identifier [Axis]: PrincipalSmCpSP600IdxR6FundMember    
EBP, Asset Held for Investment, Party-in-Interest [true false] true true
Investment type   Mutual Fund [Member]
Investment value $ 392,775 $ 392,775
Investment, Identifier [Axis]: PutnamSmCapGrowthR6FundMember    
Investment type   Mutual Fund [Member]
Investment value 105,413 $ 105,413
Investment, Identifier [Axis]: VanguardFedMoneyMrktInvFundMember    
Investment type   Mutual Fund [Member]
Investment value $ 1,641,086 $ 1,641,086