XML 28 R47.htm IDEA: XBRL DOCUMENT v2.4.0.8
Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Income Tax Disclosure [Abstract]        
Income tax expense $ 12,511 $ (10,238) $ 17,440 $ (6,209)