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Common Shares - Summary Of Phantom Units Activity (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Liabilities, Current $ 1,788 $ 1,126  
Stock-based compensation expense 887 913  
Phantom Share Units (PSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Liabilities, Current   39  
Stock-based compensation expense 26 98  
Payments for Share Based Compensation $ 65 $ 86  
Unvested, Number of units, beginning of period (in shares) 72,000 144,000  
Vested, net of shares withheld, Number of units (in shares) (72,000) (72,000)  
Unvested, Number of units, end of period (in shares) 0 72,000 144,000
Weighted average remaining contractual term 0 years 6 months 1 year