Derivative Instruments - Additional Information (Detail) $ in Thousands		1 Months Ended	3 Months Ended	12 Months Ended
		Feb. 28, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Derivative [Line Items]
Energy Marketing Contract Liabilities, Current				$ 585	$ 704
Unrealized Gain (Loss) on Derivatives				2,214	16,363	$ 9,993
Notional Amount of Nonderivative Instruments			$ 60,000	$ 50,000		$ 100,000
Number of short-term lines of Credit, rate swap				3
Derivative assets, at fair value				$ 2,787	4,277
Subsequent Event
Derivative [Line Items]
Notional Amount of Nonderivative Instruments		$ 40,000
Fixed Swap Rate		0.17%
Interest Rate Swap Rate, Low Range [Member]
Derivative [Line Items]
Fixed Swap Rate			0.20%			0.2615%
Interest Rate Swap Rate, High Range [Member]
Derivative [Line Items]
Fixed Swap Rate			0.205%	3.98%		0.3875%
Derivatives designated as fair value hedges | Mark To Market Energy Assets | Put Option
Derivative [Line Items]
Derivative assets, at fair value				$ 0	16
Derivatives designated as fair value hedges | Mark To Market Energy Assets | Propane Swap Agreement
Derivative [Line Items]
Derivative assets, at fair value	[1]			3,317	7,060
Derivatives designated as fair value hedges | Mark To Market Energy Assets | Interest Rate Swap [Member]
Derivative [Line Items]
Derivative assets, at fair value	[1]			452	0
Derivatives designated as fair value hedges | Mark-to-market energy liabilities | Propane Swap Agreement
Derivative [Line Items]
Energy Marketing Contract Liabilities, Current	[2]			1,810	743
Derivatives designated as fair value hedges | Mark-to-market energy liabilities | Interest Rate Swap [Member]
Derivative [Line Items]
Energy Marketing Contract Liabilities, Current	[2]			405	0
Sharp Energy Inc [Member]
Derivative [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months				800
Other Payables to Broker-Dealers and Clearing Organizations				100	4,100
Other Comprehensive Income (Loss) | Derivatives designated as fair value hedges | Propane Swap Agreement
Derivative [Line Items]
Unrealized Gain (Loss) on Derivatives				(1,303)	9,777	$ 7,463
Other Comprehensive Income (Loss) | Derivatives designated as fair value hedges | Interest Rate Swap [Member]
Derivative [Line Items]
Unrealized Gain (Loss) on Derivatives				0	0	20
Cost of Sales [Member] | Not Designated as Hedging Instrument [Member] | Propane Swap Agreement
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net				56	(1)	0
Cost of Sales [Member] | Derivatives designated as fair value hedges | Propane Swap Agreement
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net				3,881	7,187	2,428
Cost of Sales [Member] | Derivatives designated as fair value hedges | Put Or Call Option [Member]
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net				0	(24)	(12)
Inventories [Member] | Derivatives designated as fair value hedges | Put Or Call Option [Member]
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net				0	0	34
Interest Expense | Derivatives designated as fair value hedges | Interest Rate Swap [Member]
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net				$ (47)	$ (40)	$ 60

[1]  (1) Derivative assets, at fair value include $2.8 million and $4.3 million in current assets in the consolidated balance sheet at December 31, 2022 and 2021, respectively, with the remainder of the balance classified as long-term

[2] (1) Derivative liabilities, at fair value include $0.6 million and $0.7 million in current liabilities in the consolidated balance sheet at December 31, 2022 and 2021, respectively, with the remainder of the balance classified as long-term.