Other Comprehensive Income - Schedule of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Disclosure Of Other Comprehensive Income Loss [Abstract]
Gains on sale of securities available-for-sale	$ (52)	$ (203)
Tax effect	14	55
Net income (loss)	(38)	(148)
Net amortization of bond premiums	237	140
Tax effect	(64)	(38)
Net income (loss)	173	102
Net interest expense on swaps	12	5
Tax effect	(3)	(1)
Net income (loss)	9	4
Total reclassification adjustments	$ 144	$ (42)

Disclosure of Other Comprehensive Income Loss

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Other comprehensive income loss reclassification adjustment from AOCI for interest expense on swaps before tax

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Other comprehensive income loss reclassification adjustment from AOCI for interest expense on swaps net of tax

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Other comprehensive income loss reclassification adjustment from AOCI for interest expense on swaps tax

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Other comprehensive income (loss) reclassification adjustment from AOCI for sale and for write down of securities and for net interest expense on swaps, net of tax.

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Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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