Annual report pursuant to Section 13 and 15(d)

Income Taxes (Reconciliation) (Details)

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Income Taxes (Reconciliation) (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2018
Dec. 31, 2017
Jun. 30, 2018
Jun. 30, 2017
Income Tax Disclosure [Abstract]        
Statutory tax rate 21.00% 35.00% 28.06% 35.00%
Federal income tax     $ (957) $ 3,775
State tax, net of federal benefit     (98) 210
Uncertain tax positions     (50) (147)
Change in valuation allowance     (56) 12
Tax Act     1,244 0
Other     (75) (129)
Provision for income taxes     $ 8 $ 3,721