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Investment Securities - Summary of Gains or Losses on Proceeds from Maturities, Sales and Calls of Available for Sale Securities by Specific Identification Method (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Investments, Debt and Equity Securities [Abstract]    
Proceeds from maturities, sales and calls $ 185,748 $ 151,627
Gross realized gains 0 0
Gross realized losses $ 420 $ 0