Investments in Affiliates (Tables)

3 Months Ended

Mar. 31, 2023

Investments In And Advances To Affiliates Schedule Of Investments [Abstract]

Summary of Transactions in, and Earnings from, Investments in Affiliates

The following is a summary of the transactions in, and earnings from, investments in affiliates for the three months ended March 31, 2023.

	Value 12/31/2022		Purchases at Cost		Proceeds from Sales			Change in Unrealized Appreciation (Depreciation)		Realized Gain (Loss)		Value 03/31/2023		Dividend Income
Invesco Treasury Collateral    ETF	$	73,590,524	$	—	$	—		$	132,734	$	—	$	73,723,258	$	707,766
Investments in Affiliated    Money Market Funds:
Invesco Government &    Agency Portfolio,    Institutional Class		909,560,064		333,149,680		(756,596,676	)		—		—		486,113,068		7,621,406
Total	$	983,150,588	$	333,149,680	$	(756,596,676	)	$	132,734	$	—	$	559,836,326	$	8,329,172

The following is a summary of the transactions in, and earnings from, investments in affiliates for the three months ended March 31, 2022.

	Value 12/31/2021		Purchases at Cost		Proceeds from Sales			Change in Unrealized Appreciation (Depreciation)			Realized Gain (Loss)		Value 03/31/2022		Dividend Income
Invesco Treasury Collateral    ETF	$	49,855,000	$	—	$	—		$	(35,400	)	$	—	$	49,819,600	$	3,002
Investments in Affiliated    Money Market Funds:
Invesco Government & Agency Portfolio, Institutional Class		576,603,758		408,824,743		(255,236,806	)		—			—		730,191,695		109,011
Total	$	626,458,758	$	408,824,743	$	(255,236,806	)	$	(35,400	)	$	—	$	780,011,295	$	112,013