v3.25.1
Loans and Allowance for Credit Losses - Summary of Aging Analysis of Modifications (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Mar. 31, 2024
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months $ 23,328 $ 18,797
Current | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 18,280 8,694
30-59 Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 1,230 2,105
60-89 Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 40 7,998
90+ Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 3,778 0
Commercial Loans | Commercial real estate    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 616 8,579
Commercial Loans | Commercial real estate | Current | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 616 8,579
Commercial Loans | Commercial real estate | 30-59 Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 0 0
Commercial Loans | Commercial real estate | 60-89 Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 0 0
Commercial Loans | Commercial real estate | 90+ Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 0 0
Commercial Loans | Commercial and industrial    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 20,314 10,103
Commercial Loans | Commercial and industrial | Current | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 16,536 0
Commercial Loans | Commercial and industrial | 30-59 Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 0 2,105
Commercial Loans | Commercial and industrial | 60-89 Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 0 7,998
Commercial Loans | Commercial and industrial | 90+ Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 3,778 0
Commercial Loans | Commercial construction    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 1,006  
Commercial Loans | Commercial construction | Current | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 0  
Commercial Loans | Commercial construction | 30-59 Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 1,006  
Commercial Loans | Commercial construction | 60-89 Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 0  
Commercial Loans | Commercial construction | 90+ Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 0  
Business banking    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months   115
Business banking | Current | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months   115
Business banking | 30-59 Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months   0
Business banking | 60-89 Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months   0
Business banking | 90+ Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months   $ 0
Consumer Loans | Consumer real estate    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 1,392  
Consumer Loans | Consumer real estate | Current | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 1,128  
Consumer Loans | Consumer real estate | 30-59 Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 224  
Consumer Loans | Consumer real estate | 60-89 Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months 40  
Consumer Loans | Consumer real estate | 90+ Days Past Due | Accrual    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Financing receivable, modified, after 12 months $ 0