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INCOME TAXES - Deferred tax assets and liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
DEFERRED TAX ASSETS: |  |
Allowance for loan losses | $ 1,949 | $ 1,821
Unfunded commitment reserve | 215 | 187
Unrealized investment security losses | 0 | 374
Premises and equipment | 1,129 | 1,056
Accrued pension obligation | 1,093 | 144
Other | 230 | 255
Total tax assets | 4,616 | 3,837
DEFERRED TAX LIABILITIES: |  |
Investment accretion | (82) | (90)
Unrealized investment security gains | (456) | 0
Other | (102) | (110)
Total tax liabilities | (640) | (200)
Deferred Tax Assets, Net, Total | $ 3,976 | $ 3,637

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