INCOME TAXES - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
INCOME TAXES
Deferred tax assets, net	$ 5,547	$ 3,047
Deferred Tax Assets, Gross [Abstract]
Allowance for credit losses	5,214	4,464
Deferred compensation	3,965	4,129
Unrealized gain or loss on derivatives	201	567
Deferred loan origination fees, net	432	451
Non-accrual interest	593	492
Acquisition fair value adjustments	208	192
Equity compensation	668	432
Contract incentives	820	1,017
Lease liability	2,213	2,487
Other	492	116
Total	14,806	14,347
Deferred Tax Liabilities, Gross [Abstract]
Unrealized gain or loss on securities available for sale	1,055	3,046
Depreciation	2,033	2,261
Branch acquisition costs and goodwill	1,326	1,034
Core deposit intangible	929	1,078
Prepaid expenses	205	301
Mortgage servicing rights	843	784
Prepaid pension	739	377
Right of use asset	2,129	2,419
Total	$ 9,259	$ 11,300

Deferred Tax Assets, Acquisitions

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Deferred Tax Assets Financing Arrangements

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Deferred Tax Assets, Interest On Nonaccrual Loans

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Deferred Tax Assets, Operating Lease, Liability

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Deferred Tax Liabilities, Prepaid Pension

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.

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Amount of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from derivative instruments.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from allowance for credit loss on financing receivable.

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Amount of deferred tax liability attributable to taxable temporary differences from goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.

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Amount of deferred tax liability attributable to taxable temporary differences from mortgage servicing rights.

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Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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Amount of deferred tax liability attributable to taxable temporary differences from unrealized gains on trading securities.

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