Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Payables and Accruals [Abstract]
Trade payables	$ 51,294	$ 47,503
Accrued compensation and benefits	21,613	33,924
Accrued student obligations	4,402	4,580
Real estate liabilities	741	751
Other	3,809	4,070
Accounts payable and accrued liabilities	$ 81,859	$ 90,828