Fair Value of Financial Instruments - Additional Information (Detail)	3 Months Ended	6 Months Ended	12 Months Ended
	Mar. 31, 2022 Security	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Security transfer from Level 3 to Level 2 | Security	1
Collateral dependent loans categorized as Level 3			$ 8,857,000	$ 10,669,000
Impairment		$ 2,000	0
Level 3 [Member] | Collateral Dependent [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans categorized as Level 3		$ 45,000	$ 2,700,000