The amount of cash and cash equivalents in excess of Federal Deposit Insurance Corporation (FDIC) insurance.

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Amount of loans funded.

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Number of loans funded.

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Number Of Libor Based Loans

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Percentage Of Libor Based Loans

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Significant Accounting Policies [Line Items].

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Description of the methodology for computing depreciation for classes of depreciable assets.

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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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Summary of Significant Accounting Policies (Narrative) (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) loan	Dec. 31, 2021 USD ($) loan	Dec. 31, 2021 USD ($) loan item	Dec. 31, 2021 USD ($) loan	Dec. 31, 2021 USD ($) loan segment	Dec. 31, 2020 USD ($) loan
Significant Accounting Policies [Line Items]
Property, plant and equipment, depreciation methods	Depreciation and amortization are calculated using the straight-line method over the estimated useful lives of the assets.
Impairment of Intangible Assets, Finite-lived		$ 0				$ 0
Number of reporting units \| item			1
Number of operating segments			2		2
Tax at federal statutory rate				21.00%		21.00%
Cash and cash equivalents in excess of FDIC insurance	$ 41,700,000	41,700,000	$ 41,700,000	$ 41,700,000	$ 41,700,000
Advertising expense		339,000				$ 331,000
Right-of-use assets	11,370,000	11,370,000	11,370,000	11,370,000	11,370,000	4,795,000
Operating lease liability	$ 11,567,000	11,567,000	$ 11,567,000	$ 11,567,000	$ 11,567,000	4,874,000
Reclassification of (gains) recognized in net income		$ 0				347,000
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax						$ 88,000
Number Of Libor Based Loans \| loan	24	24	24	24	24
Percentage Of Libor Based Loans	4.70%	4.70%	4.70%	4.70%	4.70%
Small Business Administration (SBA), CARES Act, Paycheck Protection Program [Member]
Significant Accounting Policies [Line Items]
Number of loans funded \| loan						959
Amount of loans funded						$ 67,300,000
Land Improvements [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	15 years
Minimum [Member] \| Core Deposits Intangible [Member]
Significant Accounting Policies [Line Items]
Finite-Lived Intangible Asset, Useful Life	7 years
Minimum [Member] \| Furniture, Fixtures and Equipment [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	3 years
Minimum [Member] \| Computer Hardware and Data Handling Equipment [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	3 years
Minimum [Member] \| Building and Building Improvements [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	10 years
Maximum [Member] \| Core Deposits Intangible [Member]
Significant Accounting Policies [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years
Maximum [Member] \| Furniture, Fixtures and Equipment [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	10 years
Maximum [Member] \| Computer Hardware and Data Handling Equipment [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	5 years
Maximum [Member] \| Building and Building Improvements [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	40 years