Quarterly report [Sections 13 or 15(d)]

Loans Receivable - Schedule of Loan Modifications (Details)

v3.26.3
Loans Receivable - Schedule of Loan Modifications (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Financing Receivable, Modified [Line Items]        
% of Total Segment Financing Receivables 0.06% 0.05% 0.25% 0.18%
Current        
Financing Receivable, Modified [Line Items]        
Modified     $ 2,320 $ 922
30-59 Days Past Due        
Financing Receivable, Modified [Line Items]        
Modified     405 0
60-89 Days Past Due        
Financing Receivable, Modified [Line Items]        
Modified     119 378
Greater Than 90 Days Past Due        
Financing Receivable, Modified [Line Items]        
Modified     1,793 2,155
Payment Delay        
Financing Receivable, Modified [Line Items]        
Modified $ 0 $ 0 1,259 1,842
Term Extension        
Financing Receivable, Modified [Line Items]        
Modified 907,000 697 2,554 862
Interest Rate Reduction        
Financing Receivable, Modified [Line Items]        
Modified 0 0 0 0
Combination Term Extension and Interest Rate Reduction        
Financing Receivable, Modified [Line Items]        
Modified 0 0 0 0
Residential real estate        
Financing Receivable, Modified [Line Items]        
Modified $ 0 $ 0 $ 0 $ 0
% of Total Segment Financing Receivables 0.18% 0.07% 0.82% 0.10%
Weighted average interest rate reduction 0.00% 0.00% 0.00% 0.00%
Weighted average term extension (months) 6 months 7 months 4 months 7 months
Average Payment delay (months) 0 months 0 months 7 months 0 months
Residential real estate | Current        
Financing Receivable, Modified [Line Items]        
Modified     $ 1,839 $ 500
Residential real estate | 30-59 Days Past Due        
Financing Receivable, Modified [Line Items]        
Modified     405 0
Residential real estate | 60-89 Days Past Due        
Financing Receivable, Modified [Line Items]        
Modified     119 378
Residential real estate | Greater Than 90 Days Past Due        
Financing Receivable, Modified [Line Items]        
Modified     1,793 315
Residential real estate | Payment Delay        
Financing Receivable, Modified [Line Items]        
Modified $ 0 $ 0 1,259 0
Residential real estate | Term Extension        
Financing Receivable, Modified [Line Items]        
Modified 811,000 307 2,458 472
Residential real estate | Interest Rate Reduction        
Financing Receivable, Modified [Line Items]        
Modified 0 0 0 0
Residential real estate | Combination Term Extension and Interest Rate Reduction        
Financing Receivable, Modified [Line Items]        
Modified 0 0 0 0
Home equity        
Financing Receivable, Modified [Line Items]        
Modified $ 0   $ 0  
% of Total Segment Financing Receivables 0.18%   0.18%  
Weighted average interest rate reduction 0.00%   0.00%  
Weighted average term extension (months) 6 months   6 months  
Average Payment delay (months) 0 months   0 months  
Home equity | Current        
Financing Receivable, Modified [Line Items]        
Modified     $ 96 30
Home equity | 30-59 Days Past Due        
Financing Receivable, Modified [Line Items]        
Modified     0 0
Home equity | 60-89 Days Past Due        
Financing Receivable, Modified [Line Items]        
Modified     0 0
Home equity | Greater Than 90 Days Past Due        
Financing Receivable, Modified [Line Items]        
Modified     0 0
Home equity | Payment Delay        
Financing Receivable, Modified [Line Items]        
Modified $ 0   0  
Home equity | Term Extension        
Financing Receivable, Modified [Line Items]        
Modified 96,000   96  
Home equity | Interest Rate Reduction        
Financing Receivable, Modified [Line Items]        
Modified 0   0  
Home equity | 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   $ 0
% of Total Segment Financing Receivables   0.07%   0.09%
Weighted average interest rate reduction   0.00%   0.00%
Weighted average term extension (months)   180 months   180 months
Average Payment delay (months)   0 months   5 months
Commercial real estate | Current        
Financing Receivable, Modified [Line Items]        
Modified     385 $ 390
Commercial real estate | 30-59 Days Past Due        
Financing Receivable, Modified [Line Items]        
Modified     0 0
Commercial real estate | 60-89 Days Past Due        
Financing Receivable, Modified [Line Items]        
Modified     0 0
Commercial real estate | Greater Than 90 Days Past Due        
Financing Receivable, Modified [Line Items]        
Modified     $ 0 135
Commercial real estate | Payment Delay        
Financing Receivable, Modified [Line Items]        
Modified   $ 0   135
Commercial real estate | Term Extension        
Financing Receivable, Modified [Line Items]        
Modified   390   390
Commercial real estate | Interest Rate Reduction        
Financing Receivable, Modified [Line Items]        
Modified   0   0
Commercial real estate | Combination Term Extension and Interest Rate Reduction        
Financing Receivable, Modified [Line Items]        
Modified   $ 0   $ 0
Construction and land development        
Financing Receivable, Modified [Line Items]        
% of Total Segment Financing Receivables       0.82%
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       654
Construction and land development | Payment Delay        
Financing Receivable, Modified [Line Items]        
Modified       654
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]        
% of Total Segment Financing Receivables       1.09%
Commercial business | Current        
Financing Receivable, Modified [Line Items]        
Modified       $ 2
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       1,051
Commercial business | Payment Delay        
Financing Receivable, Modified [Line Items]        
Modified       1,053
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