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STOCKHOLDERS' EQUITY (Details 1) - Time Lapse Restricted Shares and Restricted Stock Units - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Time lapse restricted stock:    
Pre-tax compensation expense $ 3,267 $ 3,325
Tax benefit (1,264) (1,287)
Restricted stock expense, net of tax $ 2,003 $ 2,038