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International Operations (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Loans and Leases Receivable, Other Information [Abstract]        
Loans $ 8,058,961 $ 7,430,603    
Less allowance for credit losses (157,069) (125,972) $ (110,374) $ (109,059)
Net loans 7,901,892 7,304,631    
Accrued interest receivable 65,302 45,787    
International Banking Services [Member]        
Loans and Leases Receivable, Other Information [Abstract]        
Accrued interest receivable 876 515    
Outstanding standby and commercial letters of credit 147,551 131,254    
Revenues 8,212 4,821 $ 4,090  
International Banking Services [Member] | Foreign        
Loans and Leases Receivable, Other Information [Abstract]        
Loans 180,695 159,975    
Less allowance for credit losses (1,283) (968)    
Net loans 179,412 159,007    
International Banking Services [Member] | Foreign | Commercial        
Loans and Leases Receivable, Other Information [Abstract]        
Loans 106,241 103,748    
International Banking Services [Member] | Foreign | Others        
Loans and Leases Receivable, Other Information [Abstract]        
Loans $ 74,454 $ 56,227