Allowances for Loan Losses - Additional Information (Detail) $ in Thousands	10 Months Ended	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2021 USD ($) Loans	Dec. 31, 2020 USD ($)
Loans and Leases Receivable Disclosure [Line Items]
Purchased loans acquired with deteriorated credit quality		$ 5,556
Unpaid principal balance	$ 339	840	$ 339
Non accrual loans recorded investment	469	634	469
Total Loans	236,840	715,039	236,840
Federal Home Loan Bank (FHLB) [Member]
Loans and Leases Receivable Disclosure [Line Items]
Borrowings secured by loans pledged to FHLB	1,120	0	1,120
Real Estate Commercial Loans And Construction And Development [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans		338,749
Additional loans and leases receivable carrying amount		$ 109,226
Loan portfolio percentage		47.40%
Commercial Real Estate Portfolio Segment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Purchased loans acquired with deteriorated credit quality		$ 4,394
Unpaid principal balance	0	0	0
Non accrual loans recorded investment	0	144	0
Total Loans	$ 27,261	338,749	$ 27,261
Purchased Credit Impaired Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Purchased loans acquired with deteriorated credit quality		5,527
Unpaid principal balance		6,627
Estimated fair value of loans		5,384
Contractual principal and interest at merger		8,509
Preliminary estimate of expected cash flows		5,793
Established credit risk related non-accretable discount		2,716
Accretable discount		409
Remaining unamortized accretable discount		$ 307
Covid -19 [Member] | Small Business Administration (SBA) [Member]
Loans and Leases Receivable Disclosure [Line Items]
Maximum overdue period for a loan modification not to be classfied as troubled debt restructuring			30 days
Maximum period within which the loan must have been executed from the date of declaration of national emergency	60 days
Number of loans deferred | Loans		0