Notes Receivable - Schedule of Student Notes Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Student notes receivable	$ 41,005	$ 16,208
Student Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Student notes receivable	62,948	63,351
Allowance for doubtful student notes receivable	(22,127)	(23,491)
Total student notes receivable, net of allowance	40,821	39,860
Less current portion, net of allowance	13,821	12,574
Student notes receivable – non-current	$ 27,000	$ 27,286