Income Taxes - Reconciliation of Effective Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Provision at statutory rate	$ 21	$ 1,016
Tax-exempt income on debt securities	(291)	(299)
Bank-owned life insurance	(53)	(39)
Non-deductible merger expenses	149
Other	(15)	(33)
Total	$ (189)	$ 645
% of Pretax Income
Provision at statutory rate, percent	21.00%	21.00%
Tax-exempt income on debt securities, percent	(291.30%)	(6.20%)
Bank-owned life insurance, percent	(53.00%)	(0.80%)
Non-deductible merger expenses, percent	(149.20%)
Other, percent	(14.60%)	(0.70%)
Actual tax expense and effective rate	(188.60%)	13.30%

Effective income tax rate reconciliation, nondeductible merger expense.

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Income tax reconciliation non deductible merger expense.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to life insurance expense.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible life insurance expense.

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