El Dorado Equity Investments - Schedule of El Dorado’s Ownership Percentages and Carrying Value of Investments Accounted for Under the Equity Method Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Schedule of Equity Method Investments [Line Items]
Total equity method investments	$ 42,000	$ 36,000
SAI
Schedule of Equity Method Investments [Line Items]
Pinnacle West Ownership Percentage as of March 31, 2026	17.00%
Total equity method investments	$ 26,000	21,000
Copper Sky
Schedule of Equity Method Investments [Line Items]
Pinnacle West Ownership Percentage as of March 31, 2026	23.00%
Total equity method investments	$ 16,000	$ 15,000
Funding commitment	25,000
Funding commitment, amount funded	$ 16,800