Deposits - Summary of time Deposits Meet or Exceed Current Federal Deposit Insurance Corporation Insurance Limit for Periods Presented (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deposits [Abstract]
Time deposits of $250,000 or more	$ 299,018	$ 224,517

Amount of uninsured time deposit liability in excess of Federal Deposit Insurance Corporation (FDIC) insurance limit or similar state deposit insurance regime in United States of America (US). Excludes time deposit that is otherwise uninsured.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1406
-Paragraph (f)
-Subparagraph (1)
-Publisher SEC

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