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Stock-Based Compensation Plans (Tables)
3 Months Ended
Mar. 31, 2023
Share-Based Payment Arrangement, Noncash Expense [Abstract]  
Schedule of Components of Stock Compensation Expense
The components of stock-based compensation expense were as follows:
Three months ended March 31,
20232022
(in thousands)
2021 Stock Incentive Plan$2,890 $4,607 
Employee Stock Purchase Plan47 22 
Total Stock Compensation Expense$2,937 $4,629 
Schedule of Restricted Stock Activity
The following table summarizes the restricted stock activity during the three months ended March 31, 2023:
Shares
Balance of unvested shares as of December 31, 2022495,948 
Shares granted— 
Shares forfeited(1,999)
Shares vested— 
Balance of unvested shares as of March 31, 2023493,949