STOCK-BASED COMPENSATION, STOCK OPTION ACTIVITY (Details) - Stock Options - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Options
Outstanding at beginning of period (in shares)	83,861	99,810	104,966
Granted (in shares)	0	0	0
Exercised (in shares)	(51,390)	(13,449)	0
Expired (in shares)	(7,802)	(2,500)	(5,156)
Outstanding at end of period (in shares)	24,669	83,861	99,810
Exercisable at end of period (in shares)	22,924	75,072	79,909
Weighted Average Exercise Price
Outstanding at beginning of period (in dollars per share)	$ 12.39	$ 12.16	$ 12.43
Granted (in dollars per shares)	0.00	0.00	0.00
Exercised (in dollars per share)	11.53	11.31	0.00
Expired (in dollars per share)	18.76	9.00	17.66
Outstanding at end of period (in dollars per share)	12.17	12.39	12.16
Exercisable at end of period (in dollars per share)	$ 12.13	$ 12.40	$ 12.18