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Subsequent Event - Additional Information (Detail) - USD ($)
$ in Thousands
Feb. 08, 2022
Dec. 31, 2022
Aug. 25, 2022
Mar. 31, 2022
Jan. 10, 2022
Dec. 31, 2021
Dec. 31, 2020
Subsequent Event [Line Items]              
Debt securities. average yield percentage       0.16%      
Total assets   $ 12,387,863       $ 9,405,612 $ 9,212,357
Total loans   6,943,563       6,169,442  
Deposits   $ 10,974,228       $ 8,091,914  
Worthington National Bank [Member]              
Subsequent Event [Line Items]              
Purchase price $ 77,700            
Total assets 478,000            
Total loans 257,000            
Deposits $ 430,000            
United States Treasury Notes [Member]              
Subsequent Event [Line Items]              
Debt securities. average yield percentage     3.27%   1.42%    
Debt securities purchased at par value     $ 300,000   $ 600,000    
Debt securities, average maturity term     58 months   53 months