Derivatives and Hedging Activities - Summary of Effect of Derivative Instruments on Income Statement (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Derivatives, Fair Value [Line Items]
Total gain (loss) on derivative financial instruments	$ (1,399)	$ 5,838	$ 4,080
Interest Rate Swaps and Caps [Member]
Derivatives, Fair Value [Line Items]
Total gain (loss) on derivative financial instruments	$ (2,056)	$ 2,679	$ 1,977
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Net Swap Fee and Valuation Income	Net Swap Fee and Valuation Income	Net Swap Fee and Valuation Income
Interest Rate Lock Commitments [Member]
Derivatives, Fair Value [Line Items]
Total gain (loss) on derivative financial instruments	$ 127	$ (52)	$ (693)
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	$ 530	$ 3,211	$ 2,796
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