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Palo Verde Sale Leaseback Variable Interest Entities (Tables)
3 Months Ended
Mar. 31, 2018
Variable Interest Entities [Abstract]  
Amounts relating to the VIEs included in Condensed Consolidated Balance Sheets
Our Condensed Consolidated Balance Sheets at March 31, 2018 and December 31, 2017 include the following amounts relating to the VIEs (dollars in thousands):
 
 
March 31, 2018
 
December 31, 2017
Palo Verde sale leaseback property plant and equipment, net of accumulated depreciation
$
108,678

 
$
109,645

Equity — Noncontrolling interests
133,914

 
129,040