XML 44 R31.htm IDEA: XBRL DOCUMENT v3.21.2
Common Shares - Unrecognized Compensation (Details) - Restricted Stock Units (RSUs) [Member]
$ in Thousands
6 Months Ended
Jun. 30, 2021
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized compensation expense related to unvested awards $ 616
Weighted average unrecognized compensation recognition period 1 year 3 months 18 days