Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended	12 Months Ended
	Nov. 30, 2023	Jan. 01, 2023	Sep. 30, 2022	Dec. 31, 2023	Dec. 31, 2022	Sep. 17, 2018
Accounting Policies [Line Items]
Date of incorporation				Apr. 06, 2018
Restricted investments				$ 3,965	$ 3,377
Federal home loan bank stock par value per unit				$ 100	$ 100
Other real estate owned				$ 0	$ 0
Mortgage loans in process foreclosure amount				2,950
Loans and Leases Receivable, Gross				$ 2,241,359	927,615
Percentage of tax benefit to be realized for recognition in the income statement				50.00%
Core deposit intangible assets expected life				10 years
Accrued interest receivable on held-to-maturity debt securities				$ 288,000
Advertising expenses				329	370
Net proceeds from issuance of stock				9,958	34,650
Net proceeds from issuance of common stock				10,132	34,650
Allowance on held-to-maturity securities				512
Retained earnings				$ 4,843	$ 27,100
IPO [Member]
Accounting Policies [Line Items]
Sale of common stock			5,101,205
Offering price per share			$ 7.5
Underwriting discounts and commissions			$ 2,487
Other offering expenses			1,114
Net proceeds from issuance of common stock			$ 34,650
Private Placement [Member]
Accounting Policies [Line Items]
Net proceeds from issuance of common stock	$ 10,000
Common Stock [Member]
Accounting Policies [Line Items]
Sale of common stock				1,282,052	5,101,205
Net proceeds from issuance of stock				$ 13	$ 50
Furniture and Fixtures [Member] | Minimum [Member]
Accounting Policies [Line Items]
Estimated useful lives				3 years
Furniture and Fixtures [Member] | Maximum [Member]
Accounting Policies [Line Items]
Estimated useful lives				10 years
ASU 2016-13 [Member]
Accounting Policies [Line Items]
Change in accounting principle, accounting standards update, adopted				true
Change in accounting principle, accounting standards update, adoption date				Jan. 01, 2023
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect				true
ASU 2016-13 [Member] | Cumulative Effect Adjustment [Member]
Accounting Policies [Line Items]
Increase in allowance for credit losses		$ 5,700
Unfunded commitments to allowance for credit losses		910
Allowance on held-to-maturity securities		602
Retained earnings		(5,400)
PCD assets, allowance for credit loss		$ 308
ASU 2017-04 [Member]
Accounting Policies [Line Items]
Change in accounting principle, accounting standards update, adopted				true
Change in accounting principle, accounting standards update, adoption date				Jan. 01, 2023
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect				true
Residential Mortgage Loans [Member]
Accounting Policies [Line Items]
Loans and Leases Receivable, Gross				$ 44,167	47,356
Non Voting Common Stock Warrants [Member]
Accounting Policies [Line Items]
Class of warrants or rights exercise price per share				$ 10
Class of warrants or rights term				10 years
Atlantic Community Bankers Bank (ACBB) [Member]
Accounting Policies [Line Items]
Restricted investments				$ 389	194
Federal Home Loan Bank (FHLB) [Member]
Accounting Policies [Line Items]
Restricted investments				$ 3,576	$ 3,183
Residential real estate [Member]
Accounting Policies [Line Items]
Number of days past due for loans to be declared as deliquent				180 days
Consumer Loans [Member]
Accounting Policies [Line Items]
Number of days past due for loans to be declared as deliquent				120 days
Stonebridge Bank [Member]
Accounting Policies [Line Items]
Business acquistion percentage of voting interests acquired						100.00%