v3.26.1
Note 3 - Loans Receivable - Summary of Activity in Allowance for Loan Losses (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Beginning Balance $ 19,308 $ 19,450 $ 19,450
Charge-offs (282) 0 (858)
Recoveries 23 10  
Provision For Credit Losses - Loans 0 0  
Ending Balance 19,049 19,460 19,308
Residential Portfolio Segment [Member]      
Beginning Balance 2,436 2,478 2,478
Charge-offs (282) 0  
Recoveries 20 2  
Provision For Credit Losses - Loans 266 12  
Ending Balance 2,440 2,492 2,436
Commercial Real Estate Portfolio Segment [Member]      
Beginning Balance 11,883 11,321 11,321
Charge-offs 0 0  
Recoveries 0 0  
Provision For Credit Losses - Loans (131) 74  
Ending Balance 11,752 11,395 11,883
Construction and Land Development [Member]      
Beginning Balance 3,527 4,648 4,648
Charge-offs 0 0  
Recoveries 0 0  
Provision For Credit Losses - Loans (51) (546)  
Ending Balance 3,476 4,102 3,527
Commercial Portfolio Segment [Member]      
Beginning Balance 1,456 993 993
Charge-offs 0 0  
Recoveries 3 7  
Provision For Credit Losses - Loans (83) 463  
Ending Balance 1,376 1,463 1,456
Consumer Portfolio Segment [Member]      
Beginning Balance 6 10 10
Charge-offs 0 0  
Recoveries 0 1  
Provision For Credit Losses - Loans (1) (3)  
Ending Balance $ 5 $ 8 $ 6