INCOME TAXES, Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets [Abstract]
Allowance for loan loss	$ 8,840	$ 9,566
Deferred compensation	5,772	5,215
Other real estate owned	0	251
Nonaccrual loans	21	59
Other	202	221
Total deferred tax assets	14,835	15,312
Deferred tax liabilities [Abstract]
Depreciation	(2,496)	(2,432)
Intangibles	(586)	(847)
Prepaid expenses	(547)	(439)
Mortgage servicing rights	(4,137)	(1,900)
Unrealized gain on available-for-sale securities	(2,438)	(5,688)
Other	(1,593)	(1,545)
Total deferred tax liabilities	(11,797)	(12,851)
Net deferred tax asset	$ 3,038	$ 2,461