Deposits - Additional Information (Detail) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Deposits [Abstract]
Certificates of deposit with balances of $250 or more	$ 31,300,000	$ 8,900,000
Certificates of deposit federally insured	$ 250,000	$ 250,000

Amount of time deposit liabilities, including certificates of deposit, in denominations that meet or exceed the Federal Deposit Insurance Corporation (FDIC) insurance limit.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-SubTopic 405
-Topic 942
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481047/942-405-50-1

Name:	us-gaap_TimeDepositsAtOrAboveFDICInsuranceLimit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant