v3.26.3
Credit Quality and Allowance for Credit Losses - Summary of Loans Modification (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Percent of Total Class of Loans (as percent) 0.60% 0.90% 1.00% 1.20%
Payment Deferral        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total $ 142 $ 13,298 $ 986 $ 17,786
Principal Forgiveness        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Term Extension        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 17,177 5,856 26,829 8,322
Interest Rate Reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 175 0
Combination Term Extension and Principal Forgiveness        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Combination Term Extension and Interest Rate Reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total $ 0 $ 5,739 $ 0 $ 5,739
One- to four-family first mortgage        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Percent of Total Class of Loans (as percent) 0.20% 0.00% 0.20% 0.00%
One- to four-family first mortgage | Payment Deferral        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total $ 142 $ 0 $ 142 $ 0
One- to four-family first mortgage | Principal Forgiveness        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
One- to four-family first mortgage | Term Extension        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 567 0 567 22
One- to four-family first mortgage | Interest Rate Reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
One- to four-family first mortgage | Combination Term Extension and Principal Forgiveness        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
One- to four-family first mortgage | Combination Term Extension and Interest Rate Reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total $ 0 $ 0 $ 0 $ 0
Home equity loans and lines        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Percent of Total Class of Loans (as percent) 0.00% 0.00% 0.00% 0.90%
Home equity loans and lines | Payment Deferral        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total $ 0 $ 0 $ 0 $ 0
Home equity loans and lines | Principal Forgiveness        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Home equity loans and lines | Term Extension        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 797
Home equity loans and lines | Interest Rate Reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Home equity loans and lines | Combination Term Extension and Principal Forgiveness        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Home equity loans and lines | Combination Term Extension and Interest Rate Reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total $ 0 $ 0 $ 0 $ 0
Commercial real estate        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Percent of Total Class of Loans (as percent) 0.10% 1.60% 0.60% 1.80%
Commercial real estate | Payment Deferral        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total $ 0 $ 13,298 $ 59 $ 14,468
Commercial real estate | Principal Forgiveness        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Commercial real estate | Term Extension        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 886 1,215 7,097 2,111
Commercial real estate | Interest Rate Reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Commercial real estate | Combination Term Extension and Principal Forgiveness        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Commercial real estate | Combination Term Extension and Interest Rate Reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total $ 0 $ 4,540 $ 0 $ 4,540
Construction and land        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Percent of Total Class of Loans (as percent) 0.00% 0.00% 1.10% 1.10%
Construction and land | Payment Deferral        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total $ 0 $ 0 $ 479 $ 2,948
Construction and land | Principal Forgiveness        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Construction and land | Term Extension        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 2,724 750
Construction and land | Interest Rate Reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Construction and land | Combination Term Extension and Principal Forgiveness        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Construction and land | Combination Term Extension and Interest Rate Reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total $ 0 $ 0 $ 0 $ 0
Multi-family residential        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Percent of Total Class of Loans (as percent) 0.00% 0.00% 0.20% 0.20%
Multi-family residential | Payment Deferral        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total $ 0 $ 0 $ 0 $ 370
Multi-family residential | Principal Forgiveness        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Multi-family residential | Term Extension        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 371 0
Multi-family residential | Interest Rate Reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Multi-family residential | Combination Term Extension and Principal Forgiveness        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Multi-family residential | Combination Term Extension and Interest Rate Reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total $ 0 $ 0 $ 0 $ 0
Commercial and industrial        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Percent of Total Class of Loans (as percent) 3.40% 1.40% 3.60% 1.40%
Commercial and industrial | Payment Deferral        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total $ 0 $ 0 $ 306 $ 0
Commercial and industrial | Principal Forgiveness        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Commercial and industrial | Term Extension        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 15,724 4,641 16,070 4,642
Commercial and industrial | Interest Rate Reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 175 0
Commercial and industrial | Combination Term Extension and Principal Forgiveness        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Commercial and industrial | Combination Term Extension and Interest Rate Reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total $ 0 $ 1,199 $ 0 $ 1,199
Consumer        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Percent of Total Class of Loans (as percent) 0.00% 0.00% 0.00% 0.00%
Consumer | Payment Deferral        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total $ 0 $ 0 $ 0 $ 0
Consumer | Principal Forgiveness        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Consumer | Term Extension        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Consumer | Interest Rate Reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Consumer | Combination Term Extension and Principal Forgiveness        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total 0 0 0 0
Consumer | Combination Term Extension and Interest Rate Reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
Total $ 0 $ 0 $ 0 $ 0