Annual report [Section 13 and 15(d), not S-K Item 405]

Note 3 - Loans Receivable - Loan Modifications (Details)

v3.25.1
Note 3 - Loans Receivable - Loan Modifications (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
% of total segment financing receivables 0.11% 0.06%
Financial Asset, Not Past Due [Member]    
Modified $ 545 $ 868
Financial Asset, 30 to 59 Days Past Due [Member]    
Modified 570 0
Financial Asset, 60 to 89 Days Past Due [Member]    
Modified 0 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]    
Modified 569 0
Payment Deferral [Member]    
Modified 569 0
Extended Maturity [Member]    
Modified 1,115 868
Contractual Interest Rate Reduction [Member]    
Modified 0 0
Extended Maturity and Interest Rate Reduction [Member]    
Modified $ 0 $ 0
Residential Portfolio Segment [Member]    
% of total segment financing receivables 0.35% 0.18%
Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]    
Modified $ 545 $ 868
Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Modified 570 0
Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Modified 0 0
Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]    
Modified 528 0
Residential Portfolio Segment [Member] | Payment Deferral [Member]    
Modified 528 0
Residential Portfolio Segment [Member] | Extended Maturity [Member]    
Modified 1,115 868
Residential Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]    
Modified 0 0
Residential Portfolio Segment [Member] | Extended Maturity and Interest Rate Reduction [Member]    
Modified $ 0 $ 0
Home Equity Portfolio Segment [Member]    
% of total segment financing receivables 0.01%  
Home Equity Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]    
Modified $ 0  
Home Equity Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Modified 0  
Home Equity Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Modified 0  
Home Equity Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]    
Modified 41  
Home Equity Portfolio Segment [Member] | Payment Deferral [Member]    
Modified 41  
Home Equity Portfolio Segment [Member] | Extended Maturity [Member]    
Modified 0  
Home Equity Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]    
Modified 0  
Home Equity Portfolio Segment [Member] | Extended Maturity and Interest Rate Reduction [Member]    
Modified $ 0