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Palo Verde Sale Leaseback Variable Interest Entities - Narrative (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2024
USD ($)
lease
Mar. 31, 2023
USD ($)
Dec. 31, 1986
numberOfTrust
Palo Verde Sale Leaseback Variable Interest Entities      
Less: Net income attributable to noncontrolling interests (Note 6) $ 4,306 $ 4,306  
APS      
Palo Verde Sale Leaseback Variable Interest Entities      
Less: Net income attributable to noncontrolling interests (Note 6) 4,306 4,306  
Palo Verde VIE | APS      
Palo Verde Sale Leaseback Variable Interest Entities      
Number of VIE lessor trusts | numberOfTrust     3
Less: Net income attributable to noncontrolling interests (Note 6) 4,000 $ 4,000  
Initial loss exposure to the VIE's noncontrolling equity participants during lease extension period 334,000    
Palo Verde VIE | APS | Maximum      
Palo Verde Sale Leaseback Variable Interest Entities      
Maximum loss exposure to the VIE's noncontrolling equity participants during lease extension period (up to) $ 501,000    
Palo Verde VIE | APS | Period Through 2033      
Palo Verde Sale Leaseback Variable Interest Entities      
Number of leases under which assets are retained | lease 3    
Annual lease payments $ 21,000    
Palo Verde VIE | APS | Period Through 2033 | Maximum      
Palo Verde Sale Leaseback Variable Interest Entities      
Lease period (up to) 2 years