v3.26.1
LOANS HELD FOR INVESTMENT - Selected Information on TDRs includes Recorded Investment by Loan Class and Modification Type (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 4,096 $ 3,017 $ 43,161 $ 146,136
Forbearance [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 201    
Payment Plan [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 663 0    
Trial Modification [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 144 95    
Change in Amortization term [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Interest Rate [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 582 986    
Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 159 736    
Combination of Interest Rate Reduction And Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 1,900 203    
Other Loan Modifications [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 648 796    
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 144 $ 212 1,539 981
Percentage of Total by Portfolio Classes 0.01% 0.01%    
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] | Forbearance [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 0 $ 0    
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] | Payment Plan [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] | Trial Modification [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 144 95    
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] | Change in Amortization term [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] | Interest Rate [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] | Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 117    
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] | Combination of Interest Rate Reduction And Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] | Other Loan Modifications [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Commercial Portfolio Segment [Member] | Construction Loans [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 0 $ 0 0 119
Percentage of Total by Portfolio Classes 0.00% 0.00%    
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Forbearance [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 0 $ 0    
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Payment Plan [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Trial Modification [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Change in Amortization term [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Interest Rate [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Combination of Interest Rate Reduction And Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Other Loan Modifications [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Commercial Portfolio Segment [Member] | Commercial Mortgage Loans [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 365 $ 0 30,530 126,974
Percentage of Total by Portfolio Classes 0.01% 0.00%    
Commercial Portfolio Segment [Member] | Commercial Mortgage Loans [Member] | Forbearance [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 0 $ 0    
Commercial Portfolio Segment [Member] | Commercial Mortgage Loans [Member] | Payment Plan [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 365 0    
Commercial Portfolio Segment [Member] | Commercial Mortgage Loans [Member] | Trial Modification [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Commercial Portfolio Segment [Member] | Commercial Mortgage Loans [Member] | Change in Amortization term [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Commercial Portfolio Segment [Member] | Commercial Mortgage Loans [Member] | Interest Rate [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Commercial Portfolio Segment [Member] | Commercial Mortgage Loans [Member] | Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Commercial Portfolio Segment [Member] | Commercial Mortgage Loans [Member] | Combination of Interest Rate Reduction And Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Commercial Portfolio Segment [Member] | Commercial Mortgage Loans [Member] | Other Loan Modifications [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 1,896 $ 553 3,029 10,529
Percentage of Total by Portfolio Classes 0.05% 0.02%    
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Forbearance [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 0 $ 201    
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Payment Plan [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 298 0    
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Trial Modification [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Change in Amortization term [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Interest Rate [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 12 21    
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 19 331    
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Combination of Interest Rate Reduction And Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 1,559 0    
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Other Loan Modifications [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 8 0    
Consumer Portfolio Segment [Member] | Auto loans [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 862 $ 1,056 3,912 3,642
Percentage of Total by Portfolio Classes 0.04% 0.05%    
Consumer Portfolio Segment [Member] | Auto loans [Member] | Forbearance [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 0 $ 0    
Consumer Portfolio Segment [Member] | Auto loans [Member] | Payment Plan [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Auto loans [Member] | Trial Modification [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Auto loans [Member] | Change in Amortization term [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Auto loans [Member] | Interest Rate [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Auto loans [Member] | Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 81 205    
Consumer Portfolio Segment [Member] | Auto loans [Member] | Combination of Interest Rate Reduction And Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 141 55    
Consumer Portfolio Segment [Member] | Auto loans [Member] | Other Loan Modifications [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 640 796    
Consumer Portfolio Segment [Member] | Personal Loans [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 197 $ 98 698 267
Percentage of Total by Portfolio Classes 0.06% 0.03%    
Consumer Portfolio Segment [Member] | Personal Loans [Member] | Forbearance [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 0 $ 0    
Consumer Portfolio Segment [Member] | Personal Loans [Member] | Payment Plan [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Personal Loans [Member] | Trial Modification [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Personal Loans [Member] | Change in Amortization term [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Personal Loans [Member] | Interest Rate [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Personal Loans [Member] | Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 7    
Consumer Portfolio Segment [Member] | Personal Loans [Member] | Combination of Interest Rate Reduction And Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 197 91    
Consumer Portfolio Segment [Member] | Personal Loans [Member] | Other Loan Modifications [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Credit Card Receivables [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 570 $ 965 3,033 3,085
Percentage of Total by Portfolio Classes 0.20% 0.32%    
Consumer Portfolio Segment [Member] | Credit Card Receivables [Member] | Forbearance [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 0 $ 0    
Consumer Portfolio Segment [Member] | Credit Card Receivables [Member] | Payment Plan [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Credit Card Receivables [Member] | Trial Modification [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Credit Card Receivables [Member] | Change in Amortization term [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Credit Card Receivables [Member] | Interest Rate [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 570 965    
Consumer Portfolio Segment [Member] | Credit Card Receivables [Member] | Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Credit Card Receivables [Member] | Combination of Interest Rate Reduction And Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Credit Card Receivables [Member] | Other Loan Modifications [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Other Loans [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 62 $ 133 $ 420 $ 539
Percentage of Total by Portfolio Classes 0.04% 0.09%    
Consumer Portfolio Segment [Member] | Other Loans [Member] | Forbearance [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 0 $ 0    
Consumer Portfolio Segment [Member] | Other Loans [Member] | Payment Plan [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Other Loans [Member] | Trial Modification [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Other Loans [Member] | Change in Amortization term [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Other Loans [Member] | Interest Rate [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 0 0    
Consumer Portfolio Segment [Member] | Other Loans [Member] | Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 59 76    
Consumer Portfolio Segment [Member] | Other Loans [Member] | Combination of Interest Rate Reduction And Term Extension [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty 3 57    
Consumer Portfolio Segment [Member] | Other Loans [Member] | Other Loan Modifications [Member]        
Financing Receivable Modifications [Line Items]        
Loans modified to borrowers experiencing financial difficulty $ 0 $ 0