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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
Earnings Per Share [Abstract]        
Net income from continuing operations $ 8,108 $ 6,693 $ 15,289 $ 12,919
Weighted-average shares outstanding - basic 46,204,000 48,103,000 46,146,000 48,279,000
Add effect of dilutive securities:        
Unvested restricted shares 506,000 448,000 467,000 451,000
Stock options 10,000 0 5,000 10,000
Weighted-average shares outstanding - diluted 46,720,000 48,551,000 46,618,000 48,740,000
Basic net income per share from continuing operations $ 0.18 [1] $ 0.14 [1] $ 0.33 [1] $ 0.27 [1]
Diluted net income per share from continuing operations $ 0.17 [1] $ 0.14 [1] $ 0.33 [1] $ 0.27 [1]
Anti-dilutive shares excluded from diluted shares outstanding 890 117,077 45,361 149,913
[1] Column totals may not sum due to the effect of rounding on EPS.