Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation and Other Benefit Plans (Summary of Stock-Based Compensation) (Details)

v3.20.2
Stock-Based Compensation and Other Benefit Plans (Summary of Stock-Based Compensation) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Total stock-based compensation $ (248) $ 1,150 $ (2,097) $ 2,770
Equity Award [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Total stock-based compensation 322 180 527 802
Liability Award [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Total stock-based compensation $ (570) $ 970 $ (2,624) $ 1,968