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Income Taxes, Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Items Giving Rise to Deferred Tax Assets [Abstract] |  |
Allowance for loan losses | $ 1,557 | $ 1,364
Deferred compensation | 1,822 | 1,700
Deferred loan fees/costs | 136 | 110
Other real estate owned | 1 | 4
Accrued bonus | 212 | 204
Purchase accounting adjustments | 18 | 24
Net operating loss | 99 | 115
Lease liability | 235 | 274
Other | 339 | 346
Items Giving Rise to Deferred Tax Liabilities [Abstract] |  |
Mortgage servicing rights | (100) | (77)
FHLB stock dividends | (676) | (676)
Unrealized gain on securities available for sale | (647) | (140)
Prepaid expenses | (202) | (182)
Depreciation and amortization | (894) | (579)
Right-of-use asset | (235) | (274)
Other | 0 | 0
Net deferred tax asset | 1,665 | $ 2,213
Operating Loss Carryforwards [Abstract] |  |
Operating loss carryforwards | $ 471 |
Operating loss carryforwards, expiration date | Dec. 31, 2026 |

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