XML 51 R41.htm IDEA: XBRL DOCUMENT v3.7.0.1
Income Taxes - Components of Income Tax Expense (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]        
Federal $ 0 $ 152 $ 271 $ 152
State 0 27 46 27
Tax expense (benefit) $ 0 $ 179 $ 317 $ 179