Derivative Instruments - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Feb. 28, 2021	Mar. 31, 2025	Jun. 30, 2023	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Derivative [Line Items]
Energy Marketing Contracts Assets, Current		$ 600		$ 600
Energy Marketing Contract Liabilities, Current		(100)		0
Notional Amount of Nonderivative Instruments	$ 40,000	50,000	$ 30,000
Notional Amount Nonderivative Instruments, Total			$ 60,000
Designated as Hedging Instrument [Member] | Mark To Market Energy Assets [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Energy Marketing Contracts Assets, Current		100		100
Designated as Hedging Instrument [Member] | Mark To Market Energy Assets [Member] | Propane Swap Agreement [Member]
Derivative [Line Items]
Energy Marketing Contracts Assets, Current		600		600
Designated as Hedging Instrument [Member] | Mark-to-market energy liabilities [Member] | Interest Rate Swap [Member]
Derivative [Line Items]
Energy Marketing Contract Liabilities, Current		(1,000)		(100)
Designated as Hedging Instrument [Member] | Mark-to-market energy liabilities [Member] | Propane Swap Agreement [Member]
Derivative [Line Items]
Energy Marketing Contract Liabilities, Current		0		0
Sharp Energy Inc [Member]
Derivative [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months		$ 600
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimate of Time to Transfer		12 months
Other Payables to Broker-Dealers and Clearing Organizations		$ 2,400		$ 1,900
Interest Rate Swap Rate, High Range [Member]
Derivative [Line Items]
Fixed Swap Rate		3.97%		0.17%	3.98%	0.205%
Interest Rate Swap Rate, Low Range [Member]
Derivative [Line Items]
Fixed Swap Rate						0.20%