STOCK COMPENSATION EXPENSE, Stock Options Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Options [Roll Forward]
Outstanding at beginning of year (in shares)	203,990	274,030	301,336
Grants (in shares)	55,500	55,990	52,415
Exercises (in shares)	(32,291)	(96,880)	(50,700)
Forfeitures or expired (in shares)	(16,950)	(29,150)	(29,021)
Outstanding at end of period (in shares)	210,249	203,990	274,030
Exercisable at end of period (in shares)	116,107	113,090	191,161
Weighted Average Exercise Price [Abstract]
Outstanding at beginning of year (in dollars per share)	$ 11.54	$ 10.56	$ 10.05
Grants (in dollars per share)	19.01	13.55	13.38
Exercises (in dollars per share)	11.37	9.12	9.19
Forfeitures or expired (in dollars per share)	14.64	14.27	12.74
Outstanding at end of period (in dollars per share)	13.29	11.54	10.56
Exercisable (in dollars per share)	$ 10.66	$ 10.02	$ 9.59
Weighted average remaining life of options outstanding	5 years 4 months 24 days	5 years 3 months 18 days	4 years 6 months