XML 66 R53.htm IDEA: XBRL DOCUMENT v3.25.3
LOANS AND CREDIT QUALITY - Activity in Allowance for Credit Losses by Portfolio Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Beginning balance $ 68,334 $ 108,021 $ 88,558 $ 133,778 $ 133,778
Initial allowance on acquired loans 63,494   63,494    
Provision for credit losses 46,058 6,730 42,663 2,684  
Loans charged off (12,803) (14,572) (34,969) (46,034)  
Recoveries 3,876 3,302 9,213 13,053  
Ending balance 168,959 103,481 168,959 103,481 88,558
Commercial and Industrial          
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Beginning balance 3,456 5,409 4,869 5,805 5,805
Initial allowance on acquired loans 15,923   15,923    
Provision for credit losses 4,311 (103) 2,864 (1,219)  
Loans charged off (484) (313) (705) (525) (1,221)
Recoveries 38 12 293 944  
Ending balance 23,244 5,005 23,244 5,005 4,869
Commercial Real Estate          
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Beginning balance 33,599 34,092 35,097 31,486 31,486
Initial allowance on acquired loans 42,934   42,934    
Provision for credit losses 24,780 590 23,282 3,196  
Loans charged off (250) 0 (250) 0  
Recoveries 0 0 0 0  
Ending balance 101,063 34,682 101,063 34,682 35,097
Residential Real Estate          
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Beginning balance 4,977 6,741 4,656 6,745 6,745
Initial allowance on acquired loans 4,612   4,612    
Provision for credit losses 12,613 58 12,934 64  
Loans charged off (9) 0 (9) (10) (10)
Recoveries 0 0 0 0  
Ending balance 22,193 6,799 22,193 6,799 4,656
Auto          
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Beginning balance 23,867 58,698 41,282 87,053 87,053
Initial allowance on acquired loans 1   1    
Provision for credit losses 3,553 5,730 2,144 (1,567)  
Loans charged off (11,365) (13,318) (32,125) (42,850) (55,097)
Recoveries 3,677 3,025 8,431 11,499  
Ending balance 19,733 54,135 19,733 54,135 41,282
Other Consumer          
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Beginning balance 2,435 3,081 2,654 2,689 2,689
Initial allowance on acquired loans 24   24    
Provision for credit losses 801 455 1,439 2,210  
Loans charged off (695) (941) (1,880) (2,649) (3,218)
Recoveries 161 265 489 610  
Ending balance $ 2,726 $ 2,860 $ 2,726 $ 2,860 $ 2,654