Investment Securities - Summary Of The Amortized Cost And Estimated Fair Value Of Securities (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Amortized cost	$ 48,868	$ 74,761
Gross Unrealized / Unrecognized Gains	84	1,019
Gross Unrealized / Unrecognized Losses	(1,940)	(888)
Estimated fair value	47,012	74,892
Amortized cost	108,866	28,386
Gross Unrealized / Unrecognized Gains	30	0
Gross Unrealized / Unrecognized Losses	(12,013)	(170)
Estimated fair value	96,883	28,216
Mortgage backed securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized cost	18,629	29,943
Gross Unrealized / Unrecognized Gains	26	325
Gross Unrealized / Unrecognized Losses	(897)	(320)
Estimated fair value	17,758	29,948
Amortized cost	61,363	22,772
Gross Unrealized / Unrecognized Gains	0	0
Gross Unrealized / Unrecognized Losses	(7,647)	(140)
Estimated fair value	53,716	22,632
Corporate bonds [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized cost	430	41,725
Gross Unrealized / Unrecognized Gains	58	694
Gross Unrealized / Unrecognized Losses	0	(468)
Estimated fair value	488	41,951
Amortized cost	44,420	5,614
Gross Unrealized / Unrecognized Gains	30	0
Gross Unrealized / Unrecognized Losses	(3,739)	(30)
Estimated fair value	40,711	5,584
Government agencies [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized cost	29,809	3,093
Gross Unrealized / Unrecognized Gains	0	0
Gross Unrealized / Unrecognized Losses	(1,043)	(100)
Estimated fair value	28,766	2,993
Amortized cost		3,083
Gross Unrealized / Unrecognized Gains	$ 0
Gross Unrealized / Unrecognized Losses		(627)
Estimated fair value		$ 2,456

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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Amount, before tax, of unrealized loss 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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Amount of 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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Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

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