Condensed Consolidated Balance Sheets Parenthetical - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	150,000,000	150,000,000
Common stock, shares issued	30,595,086	30,545,657
Common stock, shares outstanding	30,595,086	30,545,657
Allowance for Doubtful Accounts Receivable, Current	$ 7,890	$ 6,965