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Borrowings - Additional Information (Detail) - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Overnight Borrowings One [Member]    
Short-Term Debt [Line Items]    
Borrowings outstanding $ 0.0  
Overnight Borrowings Two [Member]    
Short-Term Debt [Line Items]    
Borrowings outstanding   $ 10.0
Borrowings rate   4.61%