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

Loans Receivable - Schedule of Loan Modifications (Details)

v3.26.1
Loans Receivable - Schedule of Loan Modifications (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Financing Receivable, Modified [Line Items]    
% of Total Segment Financing Receivables 0.18% 0.11%
Current    
Financing Receivable, Modified [Line Items]    
Modified $ 972 $ 545
30-59 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified 19 570
60-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified 0 0
Greater Than 90 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified 1,669 569
Payment Delay    
Financing Receivable, Modified [Line Items]    
Modified $ 1,669 569
Weighted average term extension (months) 5 months  
Term Extension    
Financing Receivable, Modified [Line Items]    
Modified $ 991 1,115
Weighted average term extension (months) 186 months  
Interest Rate Reduction    
Financing Receivable, Modified [Line Items]    
Modified $ 0 0
Combination Term Extension and Interest Rate Reduction    
Financing Receivable, Modified [Line Items]    
Modified 0 0
Residential real estate    
Financing Receivable, Modified [Line Items]    
Modified $ 0 $ 0
% of Total Segment Financing Receivables 0.14% 0.35%
Weighted average interest rate reduction 0.00% 0.00%
Weighted average term extension (months) 6 months 7 months
Payment delay (months)   6 months
Residential real estate | Current    
Financing Receivable, Modified [Line Items]    
Modified $ 582 $ 545
Residential real estate | 30-59 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified 19 570
Residential real estate | 60-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified 0 0
Residential real estate | Greater Than 90 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified 0 528
Residential real estate | Payment Delay    
Financing Receivable, Modified [Line Items]    
Modified 0 528
Residential real estate | Term Extension    
Financing Receivable, Modified [Line Items]    
Modified 601 1,115
Residential real estate | Interest Rate Reduction    
Financing Receivable, Modified [Line Items]    
Modified 0 0
Residential real estate | Combination Term Extension and Interest Rate Reduction    
Financing Receivable, Modified [Line Items]    
Modified 0 0
Commercial real estate    
Financing Receivable, Modified [Line Items]    
Modified $ 0  
% of Total Segment Financing Receivables 0.09%  
Weighted average interest rate reduction 0.00%  
Weighted average term extension (months) 180 months  
Payment delay (months) 5 months  
Commercial real estate | Current    
Financing Receivable, Modified [Line Items]    
Modified $ 390  
Commercial real estate | 30-59 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified 0  
Commercial real estate | 60-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified 0  
Commercial real estate | Greater Than 90 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified 131  
Commercial real estate | Payment Delay    
Financing Receivable, Modified [Line Items]    
Modified 131  
Commercial real estate | Term Extension    
Financing Receivable, Modified [Line Items]    
Modified 390  
Commercial real estate | Interest Rate Reduction    
Financing Receivable, Modified [Line Items]    
Modified 0  
Commercial real estate | Combination Term Extension and Interest Rate Reduction    
Financing Receivable, Modified [Line Items]    
Modified 0  
Construction and land development    
Financing Receivable, Modified [Line Items]    
Modified $ 0  
% of Total Segment Financing Receivables 0.77%  
Weighted average interest rate reduction 0.00%  
Payment delay (months) 5 months  
Construction and land development | Current    
Financing Receivable, Modified [Line Items]    
Modified $ 0  
Construction and land development | 30-59 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified 0  
Construction and land development | 60-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified 0  
Construction and land development | Greater Than 90 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified 593  
Construction and land development | Payment Delay    
Financing Receivable, Modified [Line Items]    
Modified 593  
Construction and land development | Term Extension    
Financing Receivable, Modified [Line Items]    
Modified 0  
Construction and land development | Interest Rate Reduction    
Financing Receivable, Modified [Line Items]    
Modified 0  
Construction and land development | Combination Term Extension and Interest Rate Reduction    
Financing Receivable, Modified [Line Items]    
Modified 0  
Commercial business    
Financing Receivable, Modified [Line Items]    
Modified $ 0  
% of Total Segment Financing Receivables 0.95%  
Weighted average interest rate reduction 0.00%  
Payment delay (months) 5 months  
Commercial business | Current    
Financing Receivable, Modified [Line Items]    
Modified $ 0  
Commercial business | 30-59 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified 0  
Commercial business | 60-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified 0  
Commercial business | Greater Than 90 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified 945  
Commercial business | Payment Delay    
Financing Receivable, Modified [Line Items]    
Modified 945  
Commercial business | Term Extension    
Financing Receivable, Modified [Line Items]    
Modified 0  
Commercial business | Interest Rate Reduction    
Financing Receivable, Modified [Line Items]    
Modified 0  
Commercial business | Combination Term Extension and Interest Rate Reduction    
Financing Receivable, Modified [Line Items]    
Modified $ 0  
Home equity    
Financing Receivable, Modified [Line Items]    
% of Total Segment Financing Receivables 0.01%  
Home equity | Current    
Financing Receivable, Modified [Line Items]    
Modified   0
Home equity | 30-59 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified   0
Home equity | 60-89 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified   0
Home equity | Greater Than 90 Days Past Due    
Financing Receivable, Modified [Line Items]    
Modified   $ 41
Home equity | Payment Delay    
Financing Receivable, Modified [Line Items]    
Modified $ 41  
Home equity | Term Extension    
Financing Receivable, Modified [Line Items]    
Modified 0  
Home equity | Interest Rate Reduction    
Financing Receivable, Modified [Line Items]    
Modified 0  
Home equity | Combination Term Extension and Interest Rate Reduction    
Financing Receivable, Modified [Line Items]    
Modified $ 0