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INCOME TAXES, Provision for Income Taxes Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Provision for income taxes reconciliation [Abstract]
Provision at statutory rates on pre-tax income									$ 7,413	$ 6,377	$ 4,895
Effect of tax-exempt income									(764)	(936)	(920)
Low income housing tax credits									(141)	(141)	(141)
Bank owned life insurance									(384)	(146)	(131)
Nondeductible interest									44	44	52
Nondeductible merger and acquisition expenses									0	32	38
Other items									31	33	27
Provision for income taxes	$ 1,554	$ 1,578	$ 1,451	$ 1,616	$ 1,561	$ 1,759	$ 1,054	$ 889	$ 6,199	$ 5,263	$ 3,820
Statutory tax rates									21.00%	21.00%	21.00%
Effective tax rates									17.60%	17.30%	16.40%

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to the increase in cash surrender value of life insurance.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to nondeductible expenses under enacted tax laws, or differences in the methodologies used to determine expense amounts for financial statements prepared in accordance with generally accepted accounting principles, related to interest expense.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to low income housing credits.

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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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