Fair Value - Summary of Estimated Fair Values and Related Carrying Amounts and Valuation Level of Financial Instruments (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financial Assets
Cash and due from banks	$ 226,374	$ 77,274	[1]
Securities available for sale	351,990	354,341	[1]
Restricted equity investments	18,388	21,257	[1]
Other equity investments	22,960	23,776	[1]
Other investments	26,538	24,672	[1]
Financial Liabilities
Noninterest-bearing demand	594,518	640,101	[1]
Savings deposits	143,530	151,646	[1]
Time deposits	696,344	391,961	[1]
FHLB borrowings	239,100	311,700	[1]
Subordinated notes, net	39,904	39,920	[1]
Carrying Value
Financial Assets
Cash and due from banks	226,374	77,274
Federal funds sold	1,976	1,426
Securities available for sale	351,990	354,341
Restricted equity investments	18,388	21,257
Other equity investments	22,960	23,776
Other investments	26,538	24,672
PPP loans receivable, net	7,988	11,967
Loans held for investment, net	2,419,018	2,376,153
Accrued interest receivable	14,915	12,393
Bank owned life insurance	47,536	47,245
MSR assets	27,095	28,991
Financial Liabilities
Noninterest-bearing demand	594,518	640,101
Interest-bearing demand and money market deposits	1,326,655	1,318,799
Savings deposits	143,530	151,646
Time deposits	696,344	391,961
FHLB borrowings	239,100	311,700
FRB borrowings		51
Subordinated notes, net	39,904	39,920
Fair Value
Financial Assets
Cash and due from banks	226,374	77,274
Federal funds sold	1,976	1,426
Securities available for sale	351,990	354,341
Restricted equity investments	18,388	21,257
Other equity investments	22,960	23,776
Other investments	26,538	24,672
PPP loans receivable, net	7,988	11,967
Loans held for investment, net	2,382,220	2,321,042
Accrued interest receivable	14,915	12,393
Bank owned life insurance	47,536	47,245
MSR assets	27,095	28,991
Financial Liabilities
Noninterest-bearing demand	594,518	640,101
Interest-bearing demand and money market deposits	1,326,655	1,318,799
Savings deposits	143,530	151,646
Time deposits	693,332	352,294
FHLB borrowings	239,045	311,700
FRB borrowings		51
Subordinated notes, net	37,610	37,689
Level 1 [Member]
Financial Assets
Cash and due from banks	226,374	77,274
Federal funds sold	1,976	1,426
Financial Liabilities
Noninterest-bearing demand	594,518	640,101
Level 2 [Member]
Financial Assets
Securities available for sale	340,187	342,435
Restricted equity investments	18,388	21,257
Other equity investments	22,960	23,776
Accrued interest receivable	14,915	12,393
Bank owned life insurance	47,536	47,245
Financial Liabilities
Interest-bearing demand and money market deposits	1,326,655	1,318,799
Savings deposits	143,530	151,646
FHLB borrowings	239,045	311,700
FRB borrowings		51
Level 3 [Member]
Financial Assets
Securities available for sale	11,803	11,906
Other investments	26,538	24,672
PPP loans receivable, net	7,988	11,967
Loans held for investment, net	2,382,220	2,321,042
MSR assets	27,095	28,991
Financial Liabilities
Time deposits	693,332	352,294
Subordinated notes, net	$ 37,610	$ 37,689

[1] Derived from audited December 31, 2022 Consolidated Financial Statements.