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Income Tax (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Income Tax Disclosure [Abstract]        
Effective income tax rate 333.00% 14.00% 40.00% 56.00%
Income tax expense (benefit) $ 137 $ 158 $ 1,280 $ 1,717
State tax rate impacts 8.41% 3.64% 9.43% 9.49%
Vesting of restricted shares of common stock 291.00%   3.80% 20.37%
Permanent differences, tax benefits   (11.15%)    
Permanent differences, tax expenses 11.84%   9.49% 4.75%