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Securities Available-for-Sale - Schedule of amortized cost and fair value of securities available-for-sale (Detail) - USD ($) $ in Thousands	Jun. 30, 2025		Dec. 31, 2024
Amortized Cost	$ 153,620		$ 129,814
Gross Unrealized Gains	1,372		679
Gross Unrealized Losses	(10,710)		(10,276)
Fair Value	144,282		120,217
U.S. Government-sponsored enterprises obligations [Member]
Amortized Cost	1,628		1,642
Gross Unrealized Losses	(190)		(255)
Fair Value	1,438		1,387
U.S. Government agency small business administration pools guaranteed by the SBA [Member]
Amortized Cost	12,656	[1]	14,011
Gross Unrealized Gains	4		16
Gross Unrealized Losses	(759)		(902)
Fair Value	11,901	[1]	13,125
Collateralized mortgage obligations issued by the FHLMC, FNMA and GNMA [Member]
Amortized Cost	35,859	[1]	19,924
Gross Unrealized Gains	625		34
Gross Unrealized Losses	(578)		(596)
Fair Value	35,906	[1]	19,362
Residential mortgage backed securities [Member]
Amortized Cost	61,885	[1]	52,452
Gross Unrealized Gains	633		392
Gross Unrealized Losses	(3,611)		(4,382)
Fair Value	58,907	[1]	48,462
Municipal bonds [Member]
Amortized Cost	32,757		32,960
Gross Unrealized Gains			74
Gross Unrealized Losses	(5,017)		(3,502)
Fair Value	27,740		29,532
Corporate debt [Member]
Amortized Cost	500		500
Gross Unrealized Losses	(13)		(16)
Fair Value	487		484
Corporate subordinated debt [Member]
Amortized Cost	8,335		8,325
Gross Unrealized Gains	110		163
Gross Unrealized Losses	(542)		(623)
Fair Value	$ 7,903		$ 7,865
[1] Actual maturities for these debt securities are dependent upon the interest rate environment and prepayments on the underlying loans.

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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