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, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Derivatives designated as hedging instruments:
Total net gain (loss) related to derivatives designated as hedging instruments	$ 2	$ 64	$ 10	$ 102
Total net gain (loss) related to derivatives designated as cash flow hedges	0	0	0	0
Total net gains (losses) related to hedging relationships	2	64	10	102
Derivatives not designated as hedging instruments:
Total net gains (losses) related to derivatives not designated as hedging instruments	207	467	204	1,142
Net gains (losses) on derivatives and hedging activities	209	531	214	1,244
Interest Rate Swaps [Member]
Derivatives designated as hedging instruments:
Total net gain (loss) related to derivatives designated as hedging instruments	2	64	10	102
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	$ 207	$ 467	$ 204	$ 1,142