EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012		Jun. 30, 2011
EARNINGS PER SHARE [Abstract]
Net income from continuing operations	$ 6,693		$ 4,853		$ 12,919		$ 7,785
Weighted-average shares outstanding - basic	48,103,000		50,173,000		48,279,000		50,465,000
Unvested restricted shares	448,000		335,000		451,000		323,000
Stock options					10,000
Weighted-average shares outstanding - diluted	48,551,000		50,508,000		48,740,000		50,788,000
Basic net income per share from continuing operations	$ 0.14	[1]	$ 0.10	[1]	$ 0.27	[1]	$ 0.15	[1]
Diluted net income per share from continuing operations	$ 0.14	[1]	$ 0.10	[1]	$ 0.27	[1]	$ 0.15	[1]
Anti-dilutive shares excluded from diluted shares outstanding	117,077		536,479		149,913		795,981

[1] Column totals may not sum due to the effect of rounding on EPS.