Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation Costs (Details)

v3.21.2
Share-Based Compensation Costs (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Share-based Payment Arrangement [Abstract]        
Compensation costs related to equity awards $ 2,600 $ 2,900 $ 9,000 $ 7,500
Compensation cost not yet recognized $ 8,800   $ 8,800  
Weighted-average period over which unrecognized compensation cost is expected to be recognized     1 year 1 month 6 days