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Revenue Recognition - Summary of Non Interest Income, Segregated by Revenue Streams in-Scope and Out-of-Scope of Topic 606 (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Noninterest income:      
Other $ 8,720 $ 12,177 $ 7,546
Total noninterest income 54,474 59,330 49,989
Service Charges on Deposit Accounts [Member]      
Noninterest income:      
Revenue from contract with customer 20,370 20,219 21,382
Trust and Investment Services [Member]      
Noninterest income:      
Revenue from contract with customer 13,729 12,556 11,518
Bankcard Services [Member]      
Noninterest income:      
Revenue from contract with customer 1,652 1,627 1,470
Accounting Standards Update 2014-09 Not Adopted [Member]      
Noninterest income:      
Total noninterest income 10,003 12,751 8,073
Accounting Standard Update 2014-09 [Member]      
Noninterest income:      
Gain on sale of other investments 0 2,575 0
Other 8,720 9,602 7,546
Total noninterest income 44,471 46,579 41,916
Accounting Standard Update 2014-09 [Member] | Service Charges on Deposit Accounts [Member]      
Noninterest income:      
Revenue from contract with customer 20,370 20,219 21,382
Accounting Standard Update 2014-09 [Member] | Trust and Investment Services [Member]      
Noninterest income:      
Revenue from contract with customer 13,729 12,556 11,518
Accounting Standard Update 2014-09 [Member] | Bankcard Services [Member]      
Noninterest income:      
Revenue from contract with customer $ 1,652 $ 1,627 $ 1,470