Maximum bank commitment to purchase mortgage loan.

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- Definition

Summary of significant accounting policies.

+ References

No definition available.

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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- Definition

Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment).

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Summary Of Significant Accounting Policies [Line Items]
Allowance for loan losses	$ 4,572,000	$ 3,580,000	$ 2,802,000
Impairment of goodwill	$ 0	$ 0
Dilutive common shares outstanding	0	0
Premises, Furniture and Equipment [Member] \| Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	3 years
Premises, Furniture and Equipment [Member] \| Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	7 years
Leasehold Improvements [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	improvements or the lease term
Purchased Computer Software [Member] \| Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	1 year
Purchased Computer Software [Member] \| Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	3 years
Virginia Community Bankshares, Inc [Member]
Summary Of Significant Accounting Policies [Line Items]
Allowance for loan losses	$ 0
Residential Mortgage Loan [Member] \| Northpointe Bank [Member]
Summary Of Significant Accounting Policies [Line Items]
Maximum bank commitment purchase amount	$ 30,000,000