Summary of Common Units Received Under Adjustment Agreement (Detail) - USD ($) $ in Thousands		3 Months Ended			12 Months Ended
	Apr. 14, 2021	Apr. 14, 2021	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule Of Equity Method Investments [Line Items]
Number of Common Units Received	2,311,482
Value Of Common Units Received From Company One	$ (10,237)				$ 10,237	$ 3,620	$ 1,552
Annual Common Unit Adjustment [Member]
Schedule Of Equity Method Investments [Line Items]
Date Common Units Received		Apr. 14, 2021	Mar. 31, 2020	Mar. 31, 2019
Number of Common Units Received		2,311,482	1,112,368	219,056
Value Of Common Units Received From Company One		$ 10,237	$ 3,620	$ 1,552