EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Numerator:
Net income	$ 3,695	$ 2,952	$ 1,184	$ 6,479
Denominator:
Denominator for basic net income per share - weighted average common stock outstanding	40,497,000	41,064,000	40,693,000	40,992,000
Effect of dilutive securities: stock options and awards	947,000	1,335,000	848,000	1,254,000
Denominator for diluted net income per share - weighted average shares outstanding - diluted	41,444,000	42,399,000	41,541,000	42,246,000
Basic net income per share	$ 0.09	$ 0.07	$ 0.03	$ 0.16
Diluted net income per share	$ 0.09	$ 0.07	$ 0.03	$ 0.15
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive restricted stock awards, stock options	196,319	0	196,319	0