ACCOUNTING FOR STOCK BASED COMPENSATION, Stock Option Awards (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Stock Option Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding - beginning of period (in shares)	465,246	905,780	465,246	979,916
Options granted (in shares)	0	0	0	0
Options exercised (in shares)	(193,828)	(259,579)	(193,828)	(274,355)
Options that expired prior to exercise (in shares)	0	0	0	(59,360)
Options outstanding - end of period (in shares)	271,418	646,201	271,418	646,201
Intrinsic value of options exercised	$ 732	$ 300	$ 732	$ 384
Compensation expense recognized	0	8	0	31
Remaining unrecognized compensation expense	0	0	0	0
Intrinsic value of outstanding options at period end	553	1,632	553	1,632
Intrinsic value of vested options at period end	$ 553	$ 1,632	$ 553	$ 1,632
Weighted average exercise price of vested options - end of period (in dollars per share)	$ 15.32	$ 14.57	$ 15.32	$ 14.57
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense recognized	$ 390	$ 455	$ 828	$ 984