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Summary of Significant Accounting Policies - Disclosures of Cash Flow Information and Non-cash Transactions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Interest	$ 3,018	$ 4,856
Income taxes	1,375	186
Non-cash transactions:
Assets acquired in settlement of loans	806	1,388
Transfers of closed branch assets to OREO	1,978
Reissuance of treasury stock as compensation	$ 59	$ 449

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Closed branch assets transferred to other real estate.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

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Amount of decrease in investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from foreclosure.

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Value of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.

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