Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Expense (Details)

v3.20.1
Share-Based Compensation - Expense (Details) - USD ($)
$ in Thousands, shares in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Share-Based Compensation    
Share-based compensation expense $ 3,908 $ 2,972
Income tax benefit realized $ 5,500 $ 2,246
2015 Plan    
Share-Based Compensation    
Number of shares available 2.1  
2015 Plan | Maximum    
Share-Based Compensation    
Number of shares authorized 4.0