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Investment Securities - Additional Information (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Schedule Of Investments [Line Items]
Federal Reserve Bank of Richmond (“FRB”) stock	$ 2,145
Other investments	1,106
Federal Home Loan Bank of Atlanta and Treasury Board of Virginia [Member]
Schedule Of Investments [Line Items]
Securities pledged	69,883	$ 68,255
Federal Home Loan Bank of Atlanta [Member]
Schedule Of Investments [Line Items]
Federal home loan bank stock	$ 6,853

X

- Definition

Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 325
-Section 45
-Paragraph 1
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- Definition

Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

+ References

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-SubTopic 325
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Amount of investments classified as other.

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-SubTopic 210
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Sum of the carrying amounts as of the date of the latest financial statement presented of securities 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 is not permitted to sell or re-pledge them to an unrelated party.

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