XML 81 R68.htm IDEA: XBRL DOCUMENT v3.5.0.2
Acquisitions (Details) - Wharf Gold Mine [Member] - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Feb. 20, 2015
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Business Acquisition [Line Items]          
Cash $ 99,400        
Transaction advisory fees and other acquisition costs $ 2,100        
Business Acquisition, Pro Forma Information [Abstract]          
Revenue   $ 182,007 $ 166,263 $ 330,394 $ 337,219
Income (loss) before income and mining taxes   13,729 (16,937) (4,561) (50,209)
Net income (loss)   $ 14,497 $ (16,677) $ (5,899) $ (50,017)