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Derivative Instruments and Hedging Activities - Summary of Offsetting of Financial Assets and Derivative Assets (Detail) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Offsetting Assets [Line Items]    
Gross amounts not offset in the consolidated balance sheet, Cash collateral received/posted $ (30,300)  
Interest Rate Contract    
Offsetting Assets [Line Items]    
Gross Amounts Recognized on the Consolidated Balance Sheet 28,419 $ 29,706
Gross amounts not offset in the consolidated balance sheet, Financial instruments 0 (619)
Gross amounts not offset in the consolidated balance sheet, Cash collateral received/posted (28,419) (29,087)
Gross amounts not offset in the consolidated balance sheet, Net amount $ 0 $ 0