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Palo Verde Sale Leaseback Variable Interest Entities (Tables)
12 Months Ended
Dec. 31, 2020
Variable Interest Entities [Abstract]  
Amounts relating to the VIEs included in Consolidated Balance Sheets
Our Consolidated Balance Sheets include the following amounts relating to the VIEs (dollars in thousands):
 December 31, 2020December 31, 2019
Palo Verde sale leaseback property, plant and equipment, net of accumulated depreciation$98,036 $101,906 
Equity-Noncontrolling interests119,290 122,540