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Share Capital - Schedule of Share Based Compensation, Stock Appreciation Rights (Details) - $ / shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Stock Appreciation Rights (SARs) [Member]      
Stock Appreciation Rights [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 250,800 327,500  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 6.60 $ 6.60  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares 0   0
Weighted average price per share, vested $ 0.00    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 0    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value $ 0.00    
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price 0.00    
Share-based Compensation Arrangement by Share-based Payment Award, Stock Appreciation Rights, Outstanding [Roll Forward]      
Weighted average price per share, beginning balance 2.35    
Weighted average grant date fair value, granted $ 0.00    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (76,700)    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 2.35    
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price $ 6.60    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period 0    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price $ 0.00    
Employee Stock Option      
Stock Appreciation Rights [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 111,866 0  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 4.85 $ 0.00  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares (111,866)    
Weighted average price per share, vested $ 4.85    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 0    
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 0.00    
Share-based Compensation Arrangement by Share-based Payment Award, Stock Appreciation Rights, Outstanding [Roll Forward]      
Weighted average price per share, ending balance $ 2.23 $ 0.00  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period 0    
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price $ 0.00    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period 0    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price $ 0.00