Common stock shares received by shareholders.

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Decrease in loans held for sale.

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Increase in loans held for investment.

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Organization and basis of presentation.

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- Definition

Percentage of stock dividend payable on stock split of common stock.

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Date the declared dividend will be paid, in YYYY-MM-DD format.

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Date the holder must own the stock to be entitled to the dividend, in YYYY-MM-DD format.

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No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The increase (decrease) during the reporting period in intangible assets (for example patents and licenses).

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- Definition

Amount of increase (decrease) in noncurrent assets classified as other.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Description of the stock split arrangement. Also provide the retroactive effect given by a stock split that occurs after the balance date but before the release of financial statements.

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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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Organization and Basis of Presentation - Additional Information (Detail) $ in Thousands			1 Months Ended		9 Months Ended	12 Months Ended
	Jul. 14, 2021 shares	Apr. 30, 2021	Apr. 30, 2021	Mar. 31, 2021	Sep. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
Organization And Basis Of Presentation [Line Items]
Stockholders equity note reverse stocks split conversion ratio		1.5	1.5	1.5
Stock split description			3-for-2 stock split	In March 2021, the Company’s board of directors approved a three-for-two stock split (“Stock Split”) effected in the form of a 50% stock dividend on the Company’s common stock outstanding paid on April 30, 2021 to shareholders of record as of April 20, 2021.
Percentage of stock dividend payable on stock split of common stock.				50.00%
Dividend, payment date				Apr. 30, 2021
Dividend, record date				Apr. 20, 2021
Loans outstanding					$ 0
FVCBankcorp, Inc. [Member]
Organization And Basis Of Presentation [Line Items]
Common stock shares received by shareholders \| shares	1.1492
Hammond Insurance Agency [Member]
Organization And Basis Of Presentation [Line Items]
Percentage of investments					35.00%
Correction of Prior Period Classification Error [Member]
Organization And Basis Of Presentation [Line Items]
Decrease in loans held for sale					$ 30,400
Increase in loans held for investment					$ 30,400
Correction of Prior Period Classification Error [Member] \| Hammond Insurance Agency [Member]
Organization And Basis Of Presentation [Line Items]
Increase (decrease) goodwill						$ (613)
Increase (decrease) in intangible asset						(341)
Increase (decrease) in other investments						954
Correction of Prior Period Classification Error [Member] \| BluePoint Benefits, LLC [Member]
Organization And Basis Of Presentation [Line Items]
Increase (decrease) goodwill						$ 340