Subsequent Events - Additional Information (Detail) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended
	Jan. 31, 2024 USD ($) PartnershipUnit $ / shares	Dec. 31, 2023 PartnershipUnit	Dec. 31, 2022 PartnershipUnit
Heating Oil Businesses
Subsequent Event [Line Items]
Number of businesses acquired | PartnershipUnit		2	2
Subsequent Event
Subsequent Event [Line Items]
Aggregate purchase price partnership acquired	$ 19.9
Subsequent Event | Dividend Declared
Subsequent Event [Line Items]
Distribution declared | $ / shares	$ 0.1625
Partners capital projected distribution amount on annualized basis | $ / shares	0.65
Minimum dividend distribution per unit | $ / shares	$ 0.0675
Amount to paid to common unit holders	$ 5.8
Amount to paid to the General Partner	0.3
Incentive distribution to the General Partner	0.3
Incentive distributions to management	$ 0.3
Dividend payable date	Jan. 31, 2024
Dividend record date	Jan. 22, 2024
Subsequent Event | Heating Oil Businesses
Subsequent Event [Line Items]
Number of businesses acquired | PartnershipUnit	1
Subsequent Event | Propane business
Subsequent Event [Line Items]
Number of businesses acquired | PartnershipUnit	1