QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract]
Interest income	$ 19,353	$ 18,627	$ 21,774	$ 20,699	$ 21,230	$ 21,038	$ 20,470	$ 19,623	$ 80,453	$ 82,361	$ 69,760
Net Interest Income	17,687	16,510	18,458	16,171	15,865	15,034	14,529	13,972	68,826	59,400	52,054
Income Before Taxes	13,162	8,512	24,042	1,227	5,406	5,668	20,526	3,989
Net income	$ 11,838	$ 6,491	$ 18,034	$ 1,048	$ 4,095	$ 4,327	$ 15,377	$ 3,192	$ 37,411	$ 26,991	$ 12,003
Earnings per common share - basic (in dollars per share)	$ 1.00	$ 0.53	$ 1.50	$ 0.08	$ 0.34	$ 0.36	$ 1.31	$ 0.26	$ 3.13	$ 2.26	$ 1.04
Earnings per common share - diluted (in dollars per share)	$ 0.97	$ 0.53	$ 1.49	$ 0.08	$ 0.32	$ 0.35	$ 1.18	$ 0.26	$ 3.06	$ 2.20	$ 1.00