Securities - Additional Information (Detail) - USD ($) |
3 Months Ended | ||
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Mar. 31, 2021 |
Mar. 31, 2020 |
Dec. 31, 2020 |
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| Debt Securities, Available-for-sale [Line Items] | |||
| Gain (loss) in earnings resulting from sale of securities | $ 99,000 | $ 0 | |
| Available for sale securities pledged as collateral | $ 32,600,000 | $ 27,300,000 | |
| Minimum | U.S. Government and its Agencies | |||
| Debt Securities, Available-for-sale [Line Items] | |||
| Holdings of securities as percentage of share holders' equity | 10.00% | ||
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- Definition Holdings of securities as percentage of share holders' equity. No definition available.
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- Definition Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The carrying amount as of the date of the latest financial statement presented of mortgage-related securities classified as available for sale or held for investment which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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