Commitments and Contingencies - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2023 USD ($)
Judicial Ruling [Member]
Loss Contingencies [Line Items]
Provision for this contingent loss	$ 0
Minimum [Member]
Loss Contingencies [Line Items]
Loss contingency, expected trial commencement term	12 months
Maximum [Member]
Loss Contingencies [Line Items]
Contingency related to additional charges on energy purchases plus interest	$ 14,100,000
Loss contingency, expected trial commencement term	24 months