Notes Receivable - Schedule of Student Notes Receivable (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Student notes receivable	$ 41,138	$ 16,208
Student Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Student notes receivable	62,971	63,351
Allowance for doubtful student notes receivable	(22,885)	(23,491)
Total student notes receivable, net of allowance	40,086	39,860
Less current portion, net of allowance	13,194	12,574
Student notes receivable – non-current	$ 26,892	$ 27,286