Condensed Consolidated Balance Sheets Parenthetical - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	150,000,000	150,000,000
Common stock, shares issued	30,543,775	30,482,252
Common stock, shares outstanding	30,543,775	30,482,252
Allowance for Doubtful Accounts Receivable, Current	$ 5,836	$ 6,475