Related Party Agreements and Transactions (Details) - Guggenheim [Member] - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
[custom:InvestmentAdvisoryAgreementManagementFee]	[1],[2]	$ 726	$ 2,047	$ 4,526
[custom:AdministrativeServicesAgreementExpenseReimbursement]	[1],[2]	364	436	352
[custom:ShareOnCapitalStructuringFeesAndAdministrativeAgencyFees]	[1],[2]	$ 7	$ 10	$ 25

[1] As of December 31, 2023, December 31, 2022 and December 31, 2021 the Master Fund had accumulated net realized capital losses and net unrealized depreciation and therefore, Guggenheim did not earn any performance-based incentive fee during the respective period.

[2] Related party transactions not included in the table above consist of Independent Trustees fees and expenses and sales and repurchase of the Master Fund Shares to/from affiliated Feeder Funds as disclosed in the Master Fund's consolidated statements of operations and consolidated statements of changes in net assets, respectively. In accordance with the Liquidation Plan, the Master Fund’s share repurchase program has been suspended effective March 31, 2021.