Discontinued Operations and Assets Held for Sale - Summary of Major Classes of Assets and Liabilities Reclassified to Held for Sale (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Assets of Discontinued Operations
Subtotal: assets of Discontinued Operations	$ 288,731	$ 389,773
Liabilities of Discontinued Operations
Total liabilities held for sale	131,590	189,118
Discontinued operations
Assets of Discontinued Operations
Cash and cash equivalents	46,839	55,401
Receivables, net	18,652	14,762
Property and equipment, net	131,058	182,530
Goodwill	9,447	9,753
Tradenames	6,810	6,890
Operating lease right-of-use assets, net	26,547	59,231
Other assets	42,456	52,730
Subtotal: assets of Discontinued Operations	281,809	381,297
Liabilities of Discontinued Operations
Deferred revenue and student deposits	14,396	14,287
Operating leases, including current portion	27,589	63,304
Long-term debt and finance leases, including current portion	34,420	55,495
Other liabilities	55,185	56,032
Other Land And Buildings | Assets classified as held for sale
Assets of Discontinued Operations
Property and equipment, net	$ 6,922	$ 8,476