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Derivatives - Additional Information (Detail) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Derivative [Line Items]    
Notional Amount $ 22,300 $ 64,800
Derivative assets held for sale 12,100 113,600
Mortgage derivative asset 1,045 1,876 [1]
Mortgage derivative liabilities including in other liabilities 0 75
Hedged Instrument [Member]    
Derivative [Line Items]    
Derivative assets held for sale $ 31,300 $ 169,500
[1] Derived from audited December 31, 2021 Consolidated Financial Statements.