INCOME TAXES - Components of Deferred Income Taxes Included in Consolidated Financial Statements (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Allowance for loan losses	$ 9,062	$ 3,430
Net operating loss carryover	2,147	2,830
Non-accrual loan interest	1,356	895
Other real estate	252	506
Deferred Compensation	1,285	1,190
Loan Purchase Accounting	2,268	3,467
Right-of-use-asset	2,103	1,650
Other	2,046	2,146
Deferred Tax Assets, Gross, Total	20,519	16,114
Deferred tax liabilities:
Unrealized gain on available-for-sale securities	(8,743)	(3,417)
Securities	(880)	(81)
Premises and equipment	(7,698)	(5,002)
Core deposit intangible	(7,051)	(6,864)
Goodwill	(1,906)	(1,631)
Right-of-use liability	(2,103)	(1,650)
Other	(550)	(331)
Deferred Tax Liabilities, Gross	(28,931)	(18,976)
Net deferred tax asset/(liability), included in other assets/(liabilities)	$ (8,412)	$ (2,862)