Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation (Summary of Liability for Cash-Settled RSU Awards) (Details)

v3.20.4
Share-Based Compensation (Summary of Liability for Cash-Settled RSU Awards) (Details) - Cash-settleable RSU awards - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Other current liabilities $ 182 $ 966
Other long-term liabilities 1,336 2,089
Total Cash-Settled RSU Awards $ 1,518 $ 3,055