Commitments and Contingencies - Regulatory Matters (Details)	1 Months Ended		9 Months Ended
	Jan. 30, 2026 state auction	Oct. 31, 2024	Sep. 30, 2026 USD ($) day	Jul. 31, 2026 USD ($) GW	Jun. 01, 2025 USD ($)	Apr. 30, 2025 MWd
Other Commitments [Line Items]
Requested delay duration		6 months
Number of states in PJM \| state	13
Contract term	15 years
Number of auctions \| auction	2
Number of days to respond \| day			60
Property, Plant, and Equipment, Brandon Shores
Other Commitments [Line Items]
Fixed-cost monthly payments					$ 145,000,000
Fixed-cost per day payments (dollars per MWd)					312
Monthly performance hold-back					5,000,000
Property, Plant, and Equipment, Wagner
Other Commitments [Line Items]
Fixed-cost monthly payments					35,000,000
Fixed-cost per day payments (dollars per MWd)					137
Monthly performance hold-back					$ 2,500,000
PJM Reliability Backstop Procurement
Other Commitments [Line Items]
Fixed-cost per day payments (dollars per MWd)			$ 555	$ 555
Base residual auction shortfall utilized for one time pay as bid \| GW				6.8
Capacity contract term			15 years
Minimum
Other Commitments [Line Items]
Collar on capacity price \| MWd						175
Maximum
Other Commitments [Line Items]
Collar on capacity price \| MWd						325