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Palo Verde Sale Leaseback Variable Interest Entities - Schedule of VIEs (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
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Palo Verde Sale Leaseback Variable Interest Entities |  |
Palo Verde sale leaseback property, plant and equipment, net of accumulated depreciation | $ 15,315,701 | $ 15,159,210
Amounts relating to the VIEs included in Condensed Consolidated Balance Sheets |  |
Equity — Noncontrolling interests | 124,164 | 119,290
APS |  |
Palo Verde Sale Leaseback Variable Interest Entities |  |
Palo Verde sale leaseback property, plant and equipment, net of accumulated depreciation | 15,315,340 | 15,158,846
Amounts relating to the VIEs included in Condensed Consolidated Balance Sheets |  |
Equity — Noncontrolling interests | 124,164 | 119,290
Palo Verde VIE | APS |  |
Palo Verde Sale Leaseback Variable Interest Entities |  |
Palo Verde sale leaseback property, plant and equipment, net of accumulated depreciation | 97,068 | 98,036
Amounts relating to the VIEs included in Condensed Consolidated Balance Sheets |  |
Equity — Noncontrolling interests | $ 124,164 | $ 119,290

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