STOCK COMPENSATION EXPENSE, Stock Options Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Options [Roll Forward]
Outstanding at beginning of year (in shares)	332,641	298,383	262,811
Grants (in shares)	74,025	72,075	67,875
Exercises (in shares)	(6,187)	(26,979)	(28,151)
Forfeitures or expired (in shares)	(1)	(10,838)	(4,152)
Outstanding at year-end (in shares)	400,478	332,641	298,383
Exercisable at year-end (in shares)	257,535	200,123	172,577
Weighted Average Exercise Price [Abstract]
Outstanding at beginning of year (in dollars per share)	$ 12.54	$ 11.66	$ 10.63
Grants (in dollars per share)	8.50	15.57	15.12
Exercises (in dollars per share)	6.16	10.13	10.12
Forfeitures or expired (in dollars per share)	6.47	14.21	13.91
Outstanding at end of period (in dollars per share)	11.90	12.54	11.66
Exercisable (in dollars per share)	$ 11.92	$ 10.67	$ 9.55
Weighted average remaining life of options outstanding	5 years	5 years	5 years 2 months 12 days