Derivative Financial Instruments - Summary of Net Gains/ (Losses) on Derivatives and Hedging Activities (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Derivatives designated as hedging instruments:
Total net gain (loss) related to derivatives designated as hedging instruments	$ 5	$ 2	$ 6	$ 10
Total net gain (loss) related to derivatives designated as cash flow hedges	0	0	0	0
Total net gains (losses) related to hedging relationships	5	2	6	10
Derivatives not designated as hedging instruments:
Total net gains (losses) related to derivatives not designated as hedging instruments	143	207	219	204
Net gains (losses) on derivatives and hedging activities	148	209	225	214
Interest Rate Swaps [Member]
Derivatives designated as hedging instruments:
Total net gain (loss) related to derivatives designated as hedging instruments	5	2	6	10
Total net gain (loss) related to derivatives designated as cash flow hedges	0	0	0	0
Derivatives not designated as hedging instruments:
Total net gains (losses) related to derivatives not designated as hedging instruments	$ 143	$ 207	$ 219	$ 204