XML 61 R50.htm IDEA: XBRL DOCUMENT v3.7.0.1
Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Income Tax Disclosure [Abstract]        
Effective tax rate 38.00% 199.00% 37.00% 14.00%
Income tax (benefit) expense $ (8,472) $ 1,196 $ (29,178) $ (1,344)
Statutory federal tax rate 35.00%   35.00% 35.00%
Federal and state statutory income tax rate   39.00%