PARENT COMPANY FINANCIAL STATEMENTS, Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
ASSETS [Abstract]
Cash	$ 23,091	$ 22,992
Premises and equipment	37,257	29,385
Other assets	1,783	1,171
Total assets	1,781,010	1,690,115
LIABILITIES AND STOCKHOLDERS' EQUITY [Abstract]
Other liabilities	11,054	3,739
Other borrowed funds	0	2,500
Total liabilities	1,540,769	1,473,386
Stockholders' equity [Abstract]
Common stock	133,795	133,248
Retained earnings	102,743	87,333
Accumulated other comprehensive income (loss)	3,703	(3,852)
Total stockholders' equity	240,241	216,729	$ 183,355	$ 174,184
Total liabilities and stockholders' equity	1,781,010	1,690,115
Parent Company [Member]
ASSETS [Abstract]
Cash	13,184	8,759
Investment in subsidiaries	232,509	215,888
Premises and equipment	622	271
Other assets	754	730
Total assets	247,069	225,648
LIABILITIES AND STOCKHOLDERS' EQUITY [Abstract]
Other liabilities	1,392	1,013
Other borrowed funds	0	2,500
Subordinated debt	5,436	5,406
Total liabilities	6,828	8,919
Stockholders' equity [Abstract]
Common stock	133,795	133,248
Retained earnings	102,743	87,333
Accumulated other comprehensive income (loss)	3,703	(3,852)
Total stockholders' equity	240,241	216,729
Total liabilities and stockholders' equity	$ 247,069	$ 225,648