Acquisitions Pro Forma Results (Details) - Cadillac Jack [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Business Acquisition [Line Items]    
Business Acquisition, Pro Forma Revenue $ 156,110 $ 160,341
Business Acquisition, Pro Forma Net Income (Loss) $ 54,682 $ 83,709