Subsequent Events (Details) $ / shares in Units, $ in Thousands									1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 11, 2021 USD ($) Subsidiary Property	Jan. 27, 2021 USD ($)	Jan. 07, 2021 USD ($) $ / shares	Nov. 06, 2020 USD ($)	Oct. 16, 2020 USD ($) $ / shares	Jul. 16, 2020 USD ($)	Jul. 13, 2020 USD ($) $ / shares	Jun. 19, 2020 USD ($)	Feb. 12, 2021 USD ($) shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($) shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($) shares	Jan. 28, 2021 USD ($)	Nov. 03, 2020 USD ($)	Aug. 25, 2020 USD ($)
Subsequent Event, Additional Information [Abstract]
Distributions declared | $										$ 29,957	$ 0	$ 59,927	$ 0
Disallowed or cancelled claims, cash released from restricted cash account | $										238	0	331	0
Amount received from distribution checks returned or not cashed | $										114	112	234	112
Settlement of causes of action | $										$ 585	$ 1,483	$ 7,165	$ 3,666
New Revolving Credit Facility [Member]
Subsequent Event, Additional Information [Abstract]
Line of credit, maximum capacity | $								$ 30,000
Line of credit, maturity date												Jun. 19, 2022
Line of credit, optional extension period								1 year
Class A [Member]
Liquidation Trust Interests [Abstract]
Outstanding at beginning of period (in shares)									11,516,044			11,518,232	11,433,623
Allowed claims (in shares)												7,388	84,855
5% enhancement for certain allowed claims (in shares)												166	459
Settlement of claims by cancelling Liquidation Trust Interests (in shares)												(9,742)	(2,663)
Outstanding at end of period (in shares)										11,516,044	11,516,274	11,516,044	11,516,274
Percentage of enhancement for certain allowed claims												5.00%	5.00%
Unresolved Claims, Liquidation Trust Interests [Abstract]
Outstanding at beginning of period (in shares)									167,473			193,559	482,734
Allowed claims (in shares)												(7,388)	(84,855)
Disallowed claims (in shares)												(18,682)	(41,688)
Outstanding at end of period (in shares)										167,473	356,191	167,473	356,191
Subsequent Event, Additional Information [Abstract]
Distributions declared | $					$ 29,957		$ 29,934
Distributions declared per interest (in dollars per share) | $ / shares					$ 2.56		$ 2.56
Initial distributions paid | $				$ 29,204		$ 29,201				$ 50	$ 26	$ 164	$ 670
Deposit made into restricted cash account for distributions | $															$ 753	$ 733
Class B [Member]
Liquidation Trust Interests [Abstract]
Outstanding at beginning of period (in shares)									676,312			675,558	655,261
Allowed claims (in shares)												1,133	21,334
5% enhancement for certain allowed claims (in shares)												56	5
Settlement of claims by cancelling Liquidation Trust Interests (in shares)												(435)	(761)
Outstanding at end of period (in shares)										676,312	675,839	676,312	675,839
Percentage of enhancement for certain allowed claims												5.00%	5.00%
Unresolved Claims, Liquidation Trust Interests [Abstract]
Outstanding at beginning of period (in shares)									5,011			7,118	34,697
Allowed claims (in shares)												(1,133)	(21,334)
Disallowed claims (in shares)												(974)	(5,406)
Outstanding at end of period (in shares)										5,011	7,957	5,011	7,957
Subsequent Event [Member]
Subsequent Event, Additional Information [Abstract]
Initial distributions paid | $		$ 48,665
Deposit made into restricted cash account for distributions | $														$ 1,340
Allowed claims, distributions paid from restricted cash account | $									$ 160
Disallowed or cancelled claims, cash released from restricted cash account | $									29,000
Reduction in distributions payable | $									0
Amount received from distribution checks returned or not cashed | $									197
Settlement of causes of action | $									317
Amount due to liquidation trustee | $									$ 17
Subsequent Event [Member] | New Revolving Credit Facility [Member]
Subsequent Event, Additional Information [Abstract]
Number of wholly-owned subsidiaries added as co-borrowers | Subsidiary	2
Line of credit, maximum capacity | $	$ 25,000
Line of credit, maturity date	Jan. 31, 2023
Line of credit, optional extension period	1 year
Subsequent Event [Member] | New Revolving Credit Facility [Member] | Asset Pledged as Collateral [Member]
Subsequent Event, Additional Information [Abstract]
Number of properties added as replacement collateral | Property	2
Subsequent Event [Member] | Class A [Member]
Liquidation Trust Interests [Abstract]
Allowed claims (in shares)									0
5% enhancement for certain allowed claims (in shares)									0
Settlement of claims by cancelling Liquidation Trust Interests (in shares)									(2,529)
Outstanding at end of period (in shares)									11,513,515
Percentage of enhancement for certain allowed claims									5.00%
Unresolved Claims, Liquidation Trust Interests [Abstract]
Allowed claims (in shares)									0
Disallowed claims (in shares)									0
Outstanding at end of period (in shares)									167,473
Subsequent Event, Additional Information [Abstract]
Distributions declared | $			$ 50,005
Distributions declared per interest (in dollars per share) | $ / shares			$ 4.28
Subsequent Event [Member] | Class B [Member]
Liquidation Trust Interests [Abstract]
Allowed claims (in shares)									0
5% enhancement for certain allowed claims (in shares)									0
Settlement of claims by cancelling Liquidation Trust Interests (in shares)									0
Outstanding at end of period (in shares)									676,312
Percentage of enhancement for certain allowed claims									5.00%
Unresolved Claims, Liquidation Trust Interests [Abstract]
Allowed claims (in shares)									0
Disallowed claims (in shares)									0
Outstanding at end of period (in shares)									5,011