Investments in Affiliates (Tables)

12 Months Ended

Dec. 31, 2019

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

Summary of Transactions in, and Earnings from, Investments in Affiliates (Excluding Affiliated Money Market Funds)

The following is a summary of the transactions in, and earnings from, investments in affiliates (excluding affiliated money market funds) for the year ended December 31, 2019.

	Value 12/31/2018		Purchases at Cost		Proceeds from Sales		Change in Unrealized Appreciation (Depreciation)		Realized Gain (Loss)		Value 12/31/2019		Dividend Income
Invesco Treasury Collateral ETF	$	79,818,080	$	—	$	—	$	75,700	$	—	$	79,893,780	$	1,780,629

The following is a summary of the transactions in, and earnings from, investments in affiliates (excluding affiliated money market funds) for the year ended December 31, 2018.

	Value 12/31/2017		Purchases at Cost		Proceeds from Sales		Change in Unrealized Appreciation (Depreciation)		Realized Gain (Loss)		Value 12/31/2018		Dividend Income
Invesco Treasury Collateral ETF	$	79,689,390	$	—	$	—	$	128,690	$	—	$	79,818,080	$	1,348,467