Note 5 - Distributions to Holders of Common Units (Details Textual) - $ / shares	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Number of Units That Cash Distributions Were Paid on During the Period (in shares)	38,371,493	35,404,774
Distribution Made to Limited Partner, Distributions Paid, Per Unit (in dollars per share)	$ 1.135019