Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Payables and Accruals [Abstract]
Trade payables	$ 33,861	$ 47,503
Accrued compensation and benefits	23,689	33,924
Accrued student obligations	4,261	4,580
Real estate liabilities	486	751
Other	4,961	4,070
Accounts payable and accrued expenses	$ 67,258	$ 90,828