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Accounts Payable and Accrued Expenses | 12 Months Ended
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Dec. 31, 2020
Payables and Accruals [Abstract] |
Accounts Payables and Accrued Expenses | Accounts Payable and Accrued Expenses Accounts payable and accrued expenses consist of the following as of December 31, 2019 and 2020 (in thousands):
| December 31, 2019 |  | December 31, 2020
Trade payables | $ | 47,503 |  |  | $ | 64,049 |
Accrued compensation and benefits | 33,924 |  |  | 33,160 |
Accrued student obligations | 4,580 |  |  | 4,017 |
Real estate liabilities | 751 |  |  | 668 |
Other | 4,070 |  |  | 2,848 |
Accounts payable and accrued liabilities | $ | 90,828 |  |  | $ | 104,742 |

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