Quarterly report [Sections 13 or 15(d)]

Loans - Allowance for Credit Losses by Portfolio Segment (Detail)

v3.25.2
Loans - Allowance for Credit Losses by Portfolio Segment (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]        
Beginning balance     $ 70,147  
Ending balance $ 66,756   66,756  
Non-PCI Loans and Leases        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Beginning balance 70,597 $ 68,270 70,147 $ 69,462
Charge-offs (12,377) (2,338) (15,567) (4,461)
Recoveries 1,013 548 2,256 1,076
Credit loss expense (recovery) 7,523 1,249 9,920 1,652
Ending balance 66,756 67,729 66,756 67,729
Real Estate        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Beginning balance     45,099  
Ending balance 48,021   48,021  
Real Estate | Non-PCI Loans and Leases        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Beginning balance 51,302 42,584 45,099 45,499
Charge-offs (8,615) (93) (8,785) (93)
Recoveries 194 64 618 111
Credit loss expense (recovery) 5,140 (403) 11,089 (3,365)
Ending balance 48,021 42,152 48,021 42,152
Commercial and Industrial        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Beginning balance     10,006  
Ending balance 6,935   6,935  
Commercial and Industrial | Non-PCI Loans and Leases        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Beginning balance 6,242 11,836 10,006 10,257
Charge-offs (811) (93) (1,033) (248)
Recoveries 198 166 234 224
Credit loss expense (recovery) 1,306 (1,346) (2,272) 330
Ending balance 6,935 10,563 6,935 10,563
Equipment Financing Agreements        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Beginning balance     15,042  
Ending balance 11,800   11,800  
Equipment Financing Agreements | Non-PCI Loans and Leases        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Beginning balance 13,053 13,850 15,042 13,706
Charge-offs (2,951) (2,152) (5,749) (4,120)
Recoveries 621 318 1,404 741
Credit loss expense (recovery) 1,077 2,998 1,103 4,687
Ending balance $ 11,800 $ 15,014 $ 11,800 $ 15,014