v3.26.3
LOANS AND CREDIT QUALITY (Gross charge offs by year) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Year-to-date gross charge-offs, Current fiscal year     $ 15 $ 179
Year-to-date gross charge-offs, fiscal year before current fiscal year     1,134 3,026
Year-to-date gross charge-offs, two years before current fiscal year     1,787 745
Year-to-date gross charge-offs, three years before current fiscal year     913 5,609
Year-to-date gross charge-offs, four years before current fiscal year     3,287 1,861
Year-to-date gross charge-offs, five years before current fiscal year     3,431 1,754
Total $ 3,551 $ 3,895 10,567 13,174
Commercial and industrial        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Year-to-date gross charge-offs, Current fiscal year     0 74
Year-to-date gross charge-offs, fiscal year before current fiscal year     362 2,152
Year-to-date gross charge-offs, two years before current fiscal year     833 207
Year-to-date gross charge-offs, three years before current fiscal year     383 876
Year-to-date gross charge-offs, four years before current fiscal year     197 231
Year-to-date gross charge-offs, five years before current fiscal year     1,519 969
Total 885 1,071 3,294 4,509
Real Estate Portfolio Segment        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Year-to-date gross charge-offs, Current fiscal year     0  
Year-to-date gross charge-offs, fiscal year before current fiscal year     0  
Year-to-date gross charge-offs, two years before current fiscal year     0  
Year-to-date gross charge-offs, three years before current fiscal year     9  
Year-to-date gross charge-offs, four years before current fiscal year     14  
Year-to-date gross charge-offs, five years before current fiscal year     0  
Total     23  
Consumer        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Year-to-date gross charge-offs, Current fiscal year     15 105
Year-to-date gross charge-offs, fiscal year before current fiscal year     772 874
Year-to-date gross charge-offs, two years before current fiscal year     954 538
Year-to-date gross charge-offs, three years before current fiscal year     521 4,733
Year-to-date gross charge-offs, four years before current fiscal year     3,076 1,630
Year-to-date gross charge-offs, five years before current fiscal year     1,912 785
Total $ 2,666 $ 2,824 $ 7,250 $ 8,665