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Other Borrowings - Summary of Balances of Other Borrowings (Detail) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]      
Total other borrowings $ 264,605 $ 50,087  
4.65% Fixed Rate Collateralized Borrowings      
Debt Instrument [Line Items]      
Other secured financings $ 216,700 0  
Collateralized borrowing, fixed rate 4.65%    
0.05% Fixed Rate Collateralized Borrowings      
Debt Instrument [Line Items]      
Other secured financings $ 47,905 $ 50,087  
Collateralized borrowing, fixed rate 0.05%   0.05%