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Share Based Compensation Share Based Compensation (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 7,927   $ 7,927    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 138,994   138,994   116,716
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period     (18,800) (9,674)  
Shares Paid for Tax Withholding for Share Based Compensation     5,879 3,293  
Restricted Stock, Shares Issued Net of Shares for Tax Withholdings     12,921 6,381  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period     (4,655)    
Allocated Share-based Compensation Expense $ 897 $ 563 $ 2,000 $ 1,400  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Period Increase (Decrease)     (2,320)    
Expense to be paid next twelve months [Domain]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized 1,809   $ 1,809    
Expense to be paid Year Two [Domain]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized 3,084   3,084    
Expense to be paid Year Three [Domain]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized 2,061   2,061    
Expense to be paid Year Four [Domain]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized 841   841    
Expense to be paid Year Five [Domain]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 132   $ 132    
2017 Employees Long Term Incentive Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 750,000   750,000    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 703,410   703,410    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     48,053    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     48,053    
2017 Non Employee Directors LTIP [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 150,000   150,000    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 138,850   138,850    
2013 Long Term Incentive Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 92,404   92,404    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 600,000   600,000    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross       45,788