Summary of Significant Accounting Policies - Assets Held for Sale (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Jun. 30, 2025
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Period expected for sales to finalize (in months)	12 months
Loss on assets held for sale	$ 0	$ 1,527
Building 1 | APUS
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale, sales price		7,000	$ 6,600
Loss on assets held for sale		1,500
Estimated cost to sell		$ 400