Summary of Significant Accounting Policies - Schedule of Distributions per General Share and Share in Total (Detail) - USD ($)	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
General Shares [Member]
Summary Of Significant Accounting Policies [Line Items]
Distributions per share	$ 0.96078	$ 0.12753
Distributions paid	$ 38	$ 5
Shares [Member]
Summary Of Significant Accounting Policies [Line Items]
Distributions per share	$ 0.96078	$ 0.12753
Distributions paid	$ 3,266,652	$ 701,415

The total amount of dividends declared in the period for each class of stock and the contractual amount of dividends (or interest on participating income bonds) that must be paid for the period (for example, unpaid cumulative dividends). Dividends declared in the current period do not include dividends declared in respect of prior-period unpaid cumulative dividends. Preferred dividends that are cumulative only if earned are deducted only to the extent that they are earned.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 60B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482689/260-10-45-60B

Name:	us-gaap_DistributedEarnings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration