Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	12 Months Ended
	Nov. 30, 2023	Sep. 30, 2022	Dec. 31, 2025	Dec. 31, 2024	Dec. 18, 2025	Sep. 17, 2018
Accounting Policies [Line Items]
Date of incorporation			Apr. 06, 2018
Restricted investments			$ 7,735	$ 5,209
Federal home loan bank stock par value per unit			$ 100	$ 100
Other real estate owned			$ 0	$ 0
Mortgage loans in process foreclosure amount			$ 211
Percentage of tax benefit to be realized for recognition in the income statement			50.00%
Core deposit intangible assets expected life			10 years
Advertising expenses			$ 603	633
Net proceeds from issuance of common stock			209	152
Allowance on held-to-maturity securities			391	459
Retained earnings			42,300	19,947
Loans receivable			2,525,055	2,229,314
Assets held for sale, deposits			$ 0	2,108
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
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 2023-07 [Member]
Accounting Policies [Line Items]
Change in accounting principle, accounting standards update, adopted			true
Change in accounting principle, accounting standards update, adoption date			Jan. 31, 2024
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect			true
ASU 2023-09 [Member]
Accounting Policies [Line Items]
Change in accounting principle, accounting standards update, adopted			true
Change in accounting principle, accounting standards update, adoption date			Dec. 15, 2024
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect			true
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			$ 375	375
Federal Home Loan Bank (FHLB) [Member]
Accounting Policies [Line Items]
Restricted investments			$ 7,360	$ 4,834
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%
AHFCU [Member]
Accounting Policies [Line Items]
Loans acquired			$ 105,000
Premises and equipment			2,100
Deposits Assumed			87,100
Deposit premium paid			6,200
Unamortized loan discounts			6,700
Core deposit intangible			1,298
Transaction costs, net			$ 8,700
Percentage of deposits assumed at closing			7.00%
Merger Agreement [Member]
Accounting Policies [Line Items]
Business acquisition,share price					$ 0.135