STOCK-BASED COMPENSATION (Analysis of Restricted Stock Award Activity) (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2014 USD ($)
Weighted-Average Grant Date Fair Value
Allocated share-based compensation expense | $	$ 3,696	$ 2,510	$ 1,944
Restricted Stock Awards
Shares
Non-vested at beginning of period (in shares) | shares	144,763
Granted (in shares) | shares	80,913
Vested (in shares) | shares	(29,779)
Forfeited (in shares) | shares	(13,811)
Non-vested at end of period (in shares) | shares	182,086	144,763
Weighted-Average Grant Date Fair Value
Non-vested at beginning of period (in usd per share) | $ / shares	$ 27.81
Granted (in usd per share) | $ / shares	40.22
Vested (in usd per share) | $ / shares	23.94
Forfeited (in usd per share) | $ / shares	26.16
Non-vested at end of period (in usd per share) | $ / shares	$ 34.08	$ 27.81
Allocated share-based compensation expense | $	$ 1,766	$ 924	588
Total compensation expense that has yet to be recognized | $	3,674
Intrinsic value of the unvested restricted stock awards outstanding | $	$ 2,747	$ 1,520	$ 459