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Palo Verde Sale Leaseback Variable Interest Entities (Tables)
12 Months Ended
Dec. 31, 2015
Variable Interest Entities [Abstract]  
Amounts relating to the VIEs included in Consolidated Balance Sheets
Our Consolidated Balance Sheets at December 31, 2015 and December 31, 2014 include the following amounts relating to the VIEs (dollars in thousands):
 
 
December 31, 2015
 
December 31, 2014
Palo Verde sale leaseback property, plant and equipment, net of accumulated depreciation
$
117,385

 
$
121,255

Current maturities of long-term debt

 
13,420

Equity-Noncontrolling interests
135,540

 
151,609