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STOCK AWARD PLANS (Tables)
9 Months Ended
Sep. 30, 2023
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-based Compensation A summary of our total compensation expense recognized in our condensed consolidated statements of operations and comprehensive income for stock-based compensation is as follows (in thousands):
Three Months Ended September 30,Nine Months Ended September 30,
2023202220232022
Stock options$2,218 $3,262 $6,678 $9,744 
Stock awards12,836 21,788 27,828 65,738 
Company expense on ESPP discount613 761 2,803 2,864 
Total stock-based compensation expense$15,667 $25,811 $37,309 $78,346 
Schedule Employee Stock Purchase Plan Activity The following is a summary of the employee stock purchase plan activity (dollars in thousands): 
Three Months Ended September 30, 2023
Shares purchased
by employees
Aggregate cost
to employees
Expense recognized
by the company
47,446 $3,474 $613