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v3.22.1

Allowances for Loan Losses - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Mar. 31, 2022 | Dec. 31, 2021
Loans and Leases Receivable Disclosure [Line Items] |  |  |
Purchased loans acquired with deteriorated credit quality |  | $ 5,564 | $ 5,556
Unpaid principal balance |  | 2,491 | 840
Non accrual loans recorded investment |  | 1,246 | 634
Loans receivable |  | 731,080 | 715,039
Federal Home Loan Bank (FHLB) [Member] |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |
Borrowings secured by loans pledged to FHLB |  | 0 | 1,120
Real Estate Commercial Loans And Construction And Development [Member] |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |
Loans receivable |  | 353,559 |
Additional loans and leases receivable carrying amount |  | $ 126,168 |
Loan portfolio percentage |  | 48.40% |
Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |
Purchased loans acquired with deteriorated credit quality |  | $ 4,329 | 4,394
Unpaid principal balance |  | 177 | 0
Non accrual loans recorded investment |  | 143 | 144
Loans receivable |  | 353,559 | 338,749
Purchased Credit Impaired Loans [Member] |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |
Purchased loans acquired with deteriorated credit quality |  | 5,564 | $ 5,556
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 |
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 |  |

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- Definition For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the gross contractual amounts receivable, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472 + Details
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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 + Details
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