Partnership Organization - Additional Information (Detail) - USD ($)		12 Months Ended
Mar. 31, 2015	Dec. 31, 2021	Dec. 31, 2020
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Incentive fee	20.00%	20.00%
Net asset value		$ 15,988,475	$ 22,620,714
Minimum [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Decrease in net asset value per Redeemable Unit		$ 400
Net asset value		$ 1,000,000
Partnership liquidation date		Dec. 31, 2025

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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+ Details