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Equity Awards (Tables)
9 Months Ended
Sep. 30, 2023
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-based Compensation Expense
The following table sets forth the amount of stock-based compensation expense recorded in each of the expense line items for the three and nine months ended September 30, 2022 and 2023 (in thousands):
For the three months ended September 30,For the nine months ended September 30,
2022202320222023
Instructional and support costs$1,802 $597 $5,190 $4,128 
General and administration3,810 3,210 11,019 10,708 
Restructuring costs— 270 — 366 
Stock-based compensation expense included in operating expense5,612 4,077 16,209 15,202 
Tax benefit1,460 1,054 4,250 3,988 
Stock-based compensation expense, net of tax$4,152 $3,023 $11,959 $11,214