Summary of Common Units Received Under Adjustment Agreement (Detail) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	Apr. 13, 2022	Apr. 14, 2021	Mar. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule Of Equity Method Investments [Line Items]
Number of Common Units Received				500,000
Value Of Common Units Received From Company One				$ 1.3	$ 10.2	$ 3.6
Annual Common Unit Adjustment [Member]
Schedule Of Equity Method Investments [Line Items]
Date Common Units Received	Apr. 13, 2022	Apr. 14, 2021	Mar. 31, 2020
Number of Common Units Received	500,000	2,300,000	1,100,000
Value Of Common Units Received From Company One	$ 1.3	$ 10.2	$ 3.6