Securities - Summary of Gross Unrealized Losses and Fair Value of Available for Sale Securities (Detail) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Gross Unrealized Losses, Less Than 12 Months	$ (247)	$ (6)
Available-for-sale, Fair Value, Less Than 12 Months	42,897	8,231
Available-for-sale, Gross Unrealized Losses, 12 Months or More	(5,570)	(5,461)
Available-for-sale, Fair Value, 12 Months or More	60,942	62,546
Available-for-sale, Gross Unrealized Losses, Total	(5,817)	(5,467)
Available-for-sale, Fair Value, Total	103,839	70,777
U.S. Treasury Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Gross Unrealized Losses, Less Than 12 Months	(2)
Available-for-sale, Fair Value, Less Than 12 Months	1,000
Available-for-sale, Gross Unrealized Losses, Total	(2)
Available-for-sale, Fair Value, Total	1,000
U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Gross Unrealized Losses, 12 Months or More	(76)	(92)
Available-for-sale, Fair Value, 12 Months or More	2,924	2,908
Available-for-sale, Gross Unrealized Losses, Total	(76)	(92)
Available-for-sale, Fair Value, Total	2,924	2,908
Mortgage-Backed Securities of Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Gross Unrealized Losses, Less Than 12 Months	(242)	(4)
Available-for-sale, Fair Value, Less Than 12 Months	39,995	6,713
Available-for-sale, Gross Unrealized Losses, 12 Months or More	(4,652)	(4,575)
Available-for-sale, Fair Value, 12 Months or More	37,178	38,734
Available-for-sale, Gross Unrealized Losses, Total	(4,894)	(4,579)
Available-for-sale, Fair Value, Total	77,173	45,447
Asset-Backed Securities of Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Gross Unrealized Losses, 12 Months or More	(8)	(8)
Available-for-sale, Fair Value, 12 Months or More	334	347
Available-for-sale, Gross Unrealized Losses, Total	(8)	(8)
Available-for-sale, Fair Value, Total	334	347
State and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Gross Unrealized Losses, Less Than 12 Months	(3)	(2)
Available-for-sale, Fair Value, Less Than 12 Months	1,902	1,518
Available-for-sale, Gross Unrealized Losses, 12 Months or More	(488)	(431)
Available-for-sale, Fair Value, 12 Months or More	8,442	8,508
Available-for-sale, Gross Unrealized Losses, Total	(491)	(433)
Available-for-sale, Fair Value, Total	10,344	10,026
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Gross Unrealized Losses, 12 Months or More	(346)	(355)
Available-for-sale, Fair Value, 12 Months or More	12,064	12,049
Available-for-sale, Gross Unrealized Losses, Total	(346)	(355)
Available-for-sale, Fair Value, Total	$ 12,064	$ 12,049

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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