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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Restricted stock awards outstanding | 281,523 |  | 281,523 |  |
Stock option exercises, Shares |  |  | 3,750 |  |
Stock option outstanding , Shares | 18,933,637 |  | 18,933,637 |  | 18,950,329
Stock options outstanding | 1,875 |  | 1,875 |  |
RSAs and LTIP RSAs Member |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Forfeited restricted stock units |  |  | 26,841 |  |
Compensation expense | $ 457 | $ 374 | $ 936 | $ 729 |
Employee Stock [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Unrecognized compensation expense |  |  | $ 1,700 |  |
Bay Banks Of Virginia Inc [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Stock option outstanding , Shares | 47,049 |  | 47,049 |  |

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Amount of cash paid to settle liability for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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