Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Interest income	$ 3,200	$ 1,100	$ 7,400	$ 3,200
Investment gain (loss)	800	(1,400)	900	(800)
Investment impairment			5,000
Business acquisition and integration expense	11,346	5,924	35,702	41,537
Walden University, LLC
Business acquisition and integration expense	$ 11,300	$ 5,900	$ 35,700	$ 41,500