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Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2023
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-based Compensation Expense
The following table shows the stock-based compensation expense recognized during the years ended December 31, 2023, 2022, and 2021:

(in thousands)202320222021
Stock-based compensation expense$23,504 $42,415 $55,153 
Tax benefit$— $— $— 
Schedule of Shares and Units of Restricted Common Stock
A summary of our restricted stock and RSU activity for the year ended December 31, 2023 is as follows:
(in thousands, except per share amounts)Number of Shares/UnitsWeighted Average Grant Date Fair Value
Outstanding at beginning of year — unvested5,015 $18.19 
Granted4,439 $10.26 
Canceled(1,118)$15.45 
Vested(2,154)$13.09 
Outstanding at end of year — unvested6,182 $14.77 
Schedule of Stock Option Activity
Stock option activity for the year ended December 31, 2023 was as follows:

Year Ended December 31, 2023
(in thousands, except per share amounts)Number of SharesWeighted Average ExerciseWeighted Average Remaining Contractual Term (in years)Aggregate Intrinsic Value
Stock option activity:
Outstanding at beginning of year420 $13.26 3.7$— 
Granted— — — — 
Exercised— — — — 
Forfeited and expired— — — — 
Outstanding at end of year420 $13.26 2.7$—