v3.26.1
Note 1 - Summary of Significant Accounting Policies (Details Textual)
$ in Thousands
12 Months Ended
Dec. 31, 2025
USD ($)
shares
Dec. 31, 2024
USD ($)
shares
Number of Offices 13  
Number of Operating Segments 1  
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest $ 0  
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss 1,340 $ 620
Federal Home Loan Bank Stock 2,440 2,250
Restricted Investments 2,717 2,300
Impairment of Investments in Federal Home Loan Bank Stock 0 0
Financing Receivable, Accrued Interest, after Allowance for Credit Loss 2,690 1,180
Servicing Liability 159,310 54,860
Other Real Estate 0 0
Finite-Lived Intangible Assets, Net 13,551 0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense $ 0 $ 0
Weighted Average Number of Shares Outstanding, Basic (in shares) | shares 2,502,600 1,858,500
Asset, Held-in-Trust $ 210,550  
Advertising Expense $ 221 $ 122
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Interest Receivable Interest Receivable
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Interest Receivable Interest Receivable
Postemployment Retirement Benefits [Member]    
Liability, Defined Benefit Plan $ 1,430 $ 843
Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash $ 76 5
Core Deposits [Member]    
Finite-Lived Intangible Asset, Useful Life (Year) 10 years  
Finite-Lived Intangible Assets, Net $ 13,551  
Finite-Lived Intangible Assets, Accumulated Amortization 1,110  
Other Restricted Stock [Member]    
Restricted Investments 228  
Other Correspondent Banks [Member]    
Restricted Investments $ 45 $ 45