Liability for Estimated Expense in Excess of Estimated Income During Liquidation - Summary of Accrued Income and Expenses Expected to be Incurred During Liquidation (Parenthetical) (Details) $ in Thousands	1 Months Ended
	Sep. 30, 2019 USD ($) property transaction	Sep. 01, 2019 USD ($)
Summary Of Liquidation [Line Items]
Revenues and expenses expected to be incurred	$ 14,706	$ 77,859
Cash Payments (Receipts)	$ 58,781
Number of real estate properties | property	11
Rental Income
Summary Of Liquidation [Line Items]
Revenues and expenses expected to be incurred	$ 1,563	7,594
Cash Payments (Receipts)	(5,241)
Rental Income | Operating Properties Expected Sale in 2020
Summary Of Liquidation [Line Items]
Revenues and expenses expected to be incurred	$ 1,600
Number of operating properties sold | property	5
Properties estimated to be sold	2020
Rental Income | Property Leased to Academy
Summary Of Liquidation [Line Items]
Revenues and expenses expected to be incurred	$ 800
Property Costs
Summary Of Liquidation [Line Items]
Revenues and expenses expected to be incurred	426	1,159
Cash Payments (Receipts)	$ 733
Property Costs | Operating Properties Expected Sale in 2020
Summary Of Liquidation [Line Items]
Properties estimated to be sold	2020
General and Administrative
Summary Of Liquidation [Line Items]
Revenues and expenses expected to be incurred	$ 12,556	27,620
Cash Payments (Receipts)	9,902
Related Party Fees
Summary Of Liquidation [Line Items]
Revenues and expenses expected to be incurred	2,000	51,693
Cash Payments (Receipts)	49,693
Related Party Fees | Asset Management Agreement
Summary Of Liquidation [Line Items]
Termination fees	$ 48,200
Management fees term	20 days
Related Party Fees | Interim Management Agreement
Summary Of Liquidation [Line Items]
Revenues and expenses expected to be incurred	$ 2,000
Management fees term	10 days
Expected management fees term	15 months
Cost of Real Estate Investment Sales
Summary Of Liquidation [Line Items]
Revenues and expenses expected to be incurred	$ 1,287	$ 4,981
Cash Payments (Receipts)	$ 3,694
Number of real estate sale transactions | transaction	3
Number of real estate properties | property	11