EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011
EARNINGS PER SHARE [Abstract]
Net income from continuing operations	$ 5,720		$ 5,822		$ 18,639		$ 13,607
Weighted-average shares outstanding - basic	47,297		49,033		47,949		49,982
Unvested restricted shares	501		333		468		326
Stock options	2				7
Weighted-average shares outstanding - diluted	47,800		49,366		48,424		50,308
Basic net income per share from continuing operations	$ 0.12	[1]	$ 0.12	[1]	$ 0.39	[1]	$ 0.27	[1]
Diluted net income per share from continuing operations	$ 0.12	[1]	$ 0.12	[1]	$ 0.38	[1]	$ 0.27	[1]
Anti-dilutive shares excluded from diluted shares outstanding	84,668		563,693		128,165		718,552

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