Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Compensation Expense (Details)

v3.21.1
Stock-Based Compensation - Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Share-based Payment Arrangement [Abstract]    
Stock-based compensation expense $ 766 $ 429