NONINTEREST INCOME AND NONINTEREST EXPENSE - Schedule of Other Nonoperating Income and Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other Income, Nonoperating [Abstract]
Fiduciary income	$ 1,760	$ 1,587	$ 1,463
Bank-owned life insurance income	774	570	461
Merchant and debit card fees	4,264	3,642	3,119
Loan processing fee income	590	589	597
Other noninterest income	3,031	3,057	2,745
Total	10,419	9,445	8,385
Other Expense, Nonoperating [Abstract]
Legal and professional fees	2,610	3,080	2,061
Software support fees	3,341	2,502	2,089
Amortization	1,378	1,228	1,033
Director and committee fees	873	1,029	1,064
Advertising and promotions	1,655	1,410	1,193
ATM and debit card expense	1,347	1,127	899
Office and computer supplies	470	416	426
Postage	302	310	301
Telecommunication expense	676	649	526
FDIC insurance assessment fees	173	625	671
Other real estate owned expenses and write-downs	59	157	128
Other	3,900	3,721	3,513
Total	$ 16,784	$ 16,254	$ 13,904