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Income Taxes Components of Income Tax Expense (Benefit) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]      
Current $ 382 $ (111) $ 254
Deferred 152 (111) (173)
Total $ 534 $ (222) $ 81