STOCK-BASED COMPENSATION - Activity in Stock Options (Details) - Stock options $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) $ / shares shares
Shares
Outstanding, beginning of year (in shares) | shares	377,790
Exercised (in shares) | shares	(25,075)
Forfeited or expired (in shares) | shares	(42,050)
Outstanding, period end (in shares) | shares	310,665
Exercisable at year end (in shares) | shares	269,415
Fully vested and expected to vest(in shares) | shares	307,958
Weighted Average Exercise Price
Outstanding, beginning of year (in dollars per share) | $ / shares	$ 13.46
Exercised (in dollars per share) | $ / shares	10.40
Forfeited or expired (in dollars per share) | $ / shares	19.84
Outstanding, period end (in dollars per share) | $ / shares	12.83
Exercisable at year end (in dollars per share) | $ / shares	12.48
Fully vested and expected to vest (in dollars per share) | $ / shares	$ 12.81
Weighted Average Remaining Contractual Term (years)
Outstanding at end of year	4 years 2 months 12 days
Exercisable at year end	3 years 7 months 6 days
Fully vested and expected to vest	4 years 2 months 12 days
Aggregate Intrinsic Value
Outstanding at end of year (in dollars) | $	$ 3,123
Exercisable at year end (in dollars) | $	2,801
Fully vested and expected to vest (in dollars) | $	$ 3,102