CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
CONDENSED CONSOLIDATED BALANCE SHEETS [Abstract]
Allowance for doubtful accounts	$ 834	$ 613
Common Stock, par value per share	$ 0.01	$ 0.01
Common Stock, shares authorized	150,000,000	150,000,000
Common Stock, shares issued	47,745,592	50,144,703
Common Stock, shares outstanding	47,745,592	50,144,703