Annual report [Section 13 and 15(d), not S-K Item 405]

LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES (Schedule of Loans Acquired) (Details)

v3.25.4
LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES (Schedule of Loans Acquired) (Details) - USD ($)
$ in Thousands
12 Months Ended
Apr. 01, 2025
Apr. 01, 2024
Dec. 31, 2025
Dec. 31, 2024
American National        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Book value of acquired loans at acquisition   $ 89,418    
Initial ACL at acquisition   (3,896)    
Non-credit discount at acquisition   (10,466)    
Purchase Price   75,056    
Fair Value   2,073,037    
Gross contractual amounts receivable   2,503,707    
Estimate of contractual cash flows not expected to be collected   $ 10,887    
American National | PCD        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Initial ACL at acquisition       $ (3,896)
Sandy Spring | PCD        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Book value of acquired loans at acquisition $ 1,716,523      
Initial ACL at acquisition (28,265)   $ (28,265)  
Non-credit discount at acquisition (162,140)      
Purchase Price 1,526,118      
Sandy Spring | Non-PCD        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Fair Value 7,077,565      
Gross contractual amounts receivable 7,676,836      
Estimate of contractual cash flows not expected to be collected $ 130,113