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Accounts Payable and Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2020
Payables and Accruals [Abstract]  
Schedule of Accounts Payables and Accrued Expenses
Accounts payable and accrued expenses consist of the following as of December 31, 2019 and 2020 (in thousands):
 December 31, 2019December 31, 2020
Trade payables$47,503 $64,049 
Accrued compensation and benefits33,924 33,160 
Accrued student obligations4,580 4,017 
Real estate liabilities751 668 
Other4,070 2,848 
Accounts payable and accrued liabilities$90,828 $104,742