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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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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.

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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 segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings.

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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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Number of options outstanding, including both vested and non-vested options.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Business and Summary of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) segment banking_center shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 shares
Variable Interest Entity [Line Items]
Number of banking centers \| banking_center	27
Number of operating segments \| segment	1
Number of reportable segments \| segment	1
Foreclosed assets	$ 660,000	$ 896,000
Goodwill, impairment	$ 0	$ 0
Number of options outstanding (in shares) \| shares	0	0	20,500
Revenue recognized	$ 605,000	$ 390,000
Contract liability	2,000,000	2,600,000
Transferred at Point in Time
Variable Interest Entity [Line Items]
Revenue recognized	15,400,000	12,300,000
Transferred over Time
Variable Interest Entity [Line Items]
Revenue recognized	$ 765,000	$ 542,000
Stock Options \| Year 1
Variable Interest Entity [Line Items]
Vesting percentage (as a percent)	20.00%
Stock Options \| Year 2
Variable Interest Entity [Line Items]
Vesting percentage (as a percent)	20.00%
Stock Options \| Year 3
Variable Interest Entity [Line Items]
Vesting percentage (as a percent)	20.00%
Stock Options \| Year 4
Variable Interest Entity [Line Items]
Vesting percentage (as a percent)	20.00%
Stock Options \| Year 5
Variable Interest Entity [Line Items]
Vesting percentage (as a percent)	20.00%
Restricted Stock \| Year 1
Variable Interest Entity [Line Items]
Vesting percentage (as a percent)	20.00%
Restricted Stock \| Year 2
Variable Interest Entity [Line Items]
Vesting percentage (as a percent)	20.00%
Restricted Stock \| Year 3
Variable Interest Entity [Line Items]
Vesting percentage (as a percent)	20.00%
Restricted Stock \| Year 4
Variable Interest Entity [Line Items]
Vesting percentage (as a percent)	20.00%
Restricted Stock \| Year 5
Variable Interest Entity [Line Items]
Vesting percentage (as a percent)	20.00%
Minimum
Variable Interest Entity [Line Items]
Estimated useful lives of the assets (in years)	3 years
Maximum
Variable Interest Entity [Line Items]
Estimated useful lives of the assets (in years)	40 years