Discontinued Operations and Assets Held for Sale - Summary of Major Classes of Assets and Liabilities Reclassified to Held for Sale (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Assets of Discontinued Operations
Subtotal: assets of Discontinued Operations	$ 249,486	$ 389,773
Liabilities of Discontinued Operations
Total liabilities held for sale	118,677	189,118
Discontinued operations
Assets of Discontinued Operations
Cash and cash equivalents	34,246	55,401
Receivables, net	20,840	14,762
Property and equipment, net	119,696	182,530
Goodwill	9,427	9,753
Tradenames	6,832	6,890
Operating lease right-of-use assets, net	25,572	59,231
Other assets	25,863	52,730
Subtotal: assets of Discontinued Operations	242,476	381,297
Liabilities of Discontinued Operations
Deferred revenue and student deposits	15,149	14,287
Operating leases, including current portion	26,493	63,304
Long-term debt and finance leases, including current portion	31,778	55,495
Other liabilities	45,257	56,032
Other Land And Buildings | Assets classified as held for sale
Assets of Discontinued Operations
Property and equipment, net	$ 7,010	$ 8,476