Discontinued Operations (Summary of Income Statement Information of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Discontinued Operations And Disposal Groups [Abstract]
Revenue	$ 0	$ 0
Operating cost and expense:
Student services and administrative expense	1,765	3,265
Total operating cost and expense	1,765	3,265
Loss from discontinued operations before income taxes	(1,765)	(3,265)
Loss on disposal of discontinued operations before income taxes	0	(3,359)
Benefit from income taxes	452	1,703
Loss from discontinued operations	$ (1,313)	$ (4,921)