XML 62 R114.htm IDEA: XBRL DOCUMENT v3.3.0.814
Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Income Tax Disclosure [Abstract]        
Benefit from income taxes $ 7,404 $ (5,213) $ 10,272 $ (3,703)