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Capital Requirements and Restrictions on Retained Earnings - Additional Information (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 USD ($) category event | Dec. 31, 2018 | Dec. 31, 2015
Banking and Thrift [Abstract] |  |  |
Capital conservation buffer phase ratio | 2.50% | 1.875% | 0.00%
Number of capital categories provided by PCA regulation | category | 5 |  |
Number of events resulting in change in Bank's capital category | event | 0 |  |
Accumulated net earnings | $ | $ 51,612 |  |

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- Definition Capital conservation buffer phase-in ratio. + References No definition available. + Details
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- Definition Number of capital categories. + References No definition available. + Details
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- References No definition available. + Details
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- Definition A segregation of retained earnings which is available for dividend distribution. Earnings not paid out as dividends but instead reinvested in the core business or used to pay off debt. Unappropriated profit is part of shareholder equity. Also called cumulative distributions or earned surplus or accumulated earnings or unappropriated profit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(a)(4)(ii)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)(a)(3)(ii)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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