XML 66 R55.htm IDEA: XBRL DOCUMENT v3.7.0.1
Income Taxes - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Income Tax Disclosure [Abstract]          
Federal income tax rate 34.00% 34.00% 34.00% 34.00%  
Unrecognized tax benefits $ 0   $ 0   $ 0