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Derivatives and Hedging Activities - Summary of Effect of Derivative Instruments on Income Statement (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Derivatives, Fair Value [Line Items]      
Total gain (loss) on derivative financial instruments $ 5,838 $ 4,080 $ (8,750)
Interest Rate Swaps and Caps [Member]      
Derivatives, Fair Value [Line Items]      
Total gain (loss) on derivative financial instruments $ 2,679 $ 1,977 $ (1,966)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Noninterest Income, Other Operating Income Noninterest Income, Other Operating Income Noninterest Income, Other Operating Income
Interest Rate Lock Commitments [Member]      
Derivatives, Fair Value [Line Items]      
Total gain (loss) on derivative financial instruments $ (52) $ (693) $ 658
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Non Interest Income Derived From Mortgage Banking Activities Non Interest Income Derived From Mortgage Banking Activities Non Interest Income Derived From Mortgage Banking Activities
Forward TBA Contracts [Member]      
Derivatives, Fair Value [Line Items]      
Total gain (loss) on derivative financial instruments $ 3,211 $ 2,796 $ (7,442)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Non Interest Income Derived From Mortgage Banking Activities Non Interest Income Derived From Mortgage Banking Activities Non Interest Income Derived From Mortgage Banking Activities