CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2025	May 22, 2025	May 21, 2025	Dec. 31, 2024
PROPERTY, PLANT AND EQUIPMENT
Accumulated depreciation of Palo Verde sale leaseback	$ 110,886			$ 268,894
Accumulated amortization on intangible assets	1,057,812			925,880
Accumulated amortization on nuclear fuel	$ 111,096			$ 115,894
EQUITY
Common stock, authorized (in shares)	300,000,000	300,000,000	150,000,000	150,000,000
Common stock, issued (in shares)	120,950,839			119,143,782
Treasury stock at cost (in shares)	46,968			46,968