Derivatives and Hedging Activities - Schedule of Fair Value of Derivative Financial Instruments as well as their Location on Balance Sheet (Detail) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Derivatives Fair Value [Line Items]
Total derivative assets	$ 7,485,000	$ 7,507,000
Total derivative liabilities	7,438,000	7,375,000
Not Designated as Hedging Instrument | Interest Rate Products
Derivatives Fair Value [Line Items]
Notional Amount	105,846,000	61,460,000
Total derivative assets	7,485,000	7,507,000
Total derivative liabilities	$ 7,438,000	$ 7,375,000