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Borrowings and Subordinated Debt - Schedule of Borrowings and Subordinated Debt (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Total Borrowings, gross	$ 35,000	$ 50,000
Less: Debt issuance costs	(39)	(117)
Total Borrowings, net	$ 34,961	$ 49,883
Federal Home Loan Bank Advances
Debt Instrument [Line Items]
Maturity		2025
Total Borrowings, gross		$ 15,000
Rate		4.57%
BV Financial Inc. Series 2020 Notes
Debt Instrument [Line Items]
Maturity	2030	2030
Total Borrowings, gross	$ 35,000	$ 35,000
Rate	4.88%	4.88%

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