v3.25.2
Note 6 - Borrowings (Details Textual) - USD ($)
1 Months Ended 6 Months Ended
Apr. 01, 2026
Mar. 25, 2021
Mar. 31, 2025
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Oct. 31, 2023
May 20, 2022
Federal Home Loan Bank, Advances, Maximum Available Credit to Bank Assets, Percentage       25.00%        
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds       $ 179,900,000   $ 207,300,000    
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged       913,600,000   951,800,000    
Letters of Credit Outstanding, Amount       60,000,000        
Gain (Loss) on Extinguishment of Debt       848,000 $ (0)      
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]   Secured Overnight Financing Rate (SOFR) [Member]            
NexBank [Member] | Revolving Credit Facility [Member]                
Line of Credit Facility, Maximum Borrowing Capacity               $ 20,000,000
Line of Credit Facility, Remaining Borrowing Capacity       10,500,000   13,500,000    
Pacific Coast Bankers Bank [Member] | Fed Funds Borrowing Facility [Member]                
Line of Credit Facility, Maximum Borrowing Capacity             $ 50,000,000  
Line of Credit Facility, Remaining Borrowing Capacity       50,000,000   50,000,000    
Debt Instrument, Minimum Average Demand Deposit Account Balance             $ 250,000  
Debt Instrument, Notes Due 2031 [Member]                
Subordinated Debt, Ending Balance   $ 40,000,000            
Debt Instrument, Interest Rate, Stated Percentage   3.75%            
Proceeds from Issuance of Subordinated Long-Term Debt   $ 39,300,000            
Debt Instrument, Repurchased Face Amount     $ 5,000,000          
Gain (Loss) on Extinguishment of Debt     $ 905,000          
Debt Instrument, Notes Due 2031 [Member] | Forecast [Member]                
Debt Instrument, Basis Spread on Variable Rate 3.00%              
Federal Home Loan Bank of San Francisco [Member]                
Federal Reserve Bank Advances, Available Amount       17,600,000   17,900,000    
Bellevue Washington Branch [Member]                
Letters of Credit Outstanding, Amount       772,000        
Securities Investment [Member] | Federal Home Loan Bank of San Francisco [Member]                
Federal Reserve Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged       $ 18,400,000   $ 18,600,000