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Deposits - Additional Information (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Deposits [Line Items]    
Deposits $ 2,297,771 $ 945,109
Certificates of deposit with minimum denomination 250  
Time deposits 499,502 251,443
Deposits brokered 53,700 33,900
Certificate Of Deposit Listing Service [Member]    
Deposits [Line Items]    
Deposits 8,400 14,800
Certificates Of Deposit [Member]    
Deposits [Line Items]    
Deposits $ 144,800 $ 95,700