Subsequent Events - Additional Information (Detail) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended
	Jan. 31, 2025 USD ($) $ / shares	Dec. 31, 2024 PartnershipUnit	Dec. 31, 2023 PartnershipUnit
Heating Oil Businesses
Subsequent Event [Line Items]
Number of businesses acquired | PartnershipUnit		1	2
Subsequent Event
Subsequent Event [Line Items]
Aggregate purchase price partnership acquired	$ 68.0
Subsequent Event | Dividend Declared
Subsequent Event [Line Items]
Distribution declared | $ / shares	$ 0.1725
Partners capital projected distribution amount on annualized basis | $ / shares	0.69
Minimum dividend distribution per unit | $ / shares	$ 0.0675
Amount to paid to common unit holders	$ 6.0
Amount to paid to the General Partner	0.4
Incentive distribution to the General Partner	0.3
Incentive distributions to management	$ 0.3
Dividend paid date	Feb. 05, 2025
Dividend record date	Jan. 27, 2025