Consolidated Statements of Net Assets - Liquidation Value [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets
Investment in unconsolidated joint venture	$ 228,383	$ 230,092
Cash and cash equivalents	8,099	7,722
Restricted cash held in escrow	92,163	92,177
Accounts receivable	60	60
Total Assets	328,705	330,051
Liabilities
Liability for estimated costs in excess of estimated receipts during liquidation	2,548	2,342
Accounts payable, accrued expenses and other liabilities	420	319
Total Liabilities	2,968	2,661
Commitments and Contingencies
Net assets in liquidation	$ 325,737	$ 327,390