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Variable Interest Entities (Tables)
12 Months Ended
Dec. 31, 2013
Variable Interest Entities [Abstract]  
Noncontrolling Interest Summarized Financial Information [Table Text Block]
Summarized financial information for Valencia is as follows:
Results of Operations
 
Year ended December 31,
 
2013
 
2012
 
2011
 
(In thousands)
Operating revenues
$
20,166

 
$
19,585

 
$
19,720

Operating expenses
(5,645
)
 
(5,535
)
 
(5,673
)
Earnings attributable to non-controlling interest
$
14,521

 
$
14,050

 
$
14,047

 
Financial Position
 
December 31,
 
2013
 
2012
 
(In thousands)
Current assets
$
2,658

 
$
3,655

Net property, plant and equipment
75,137

 
77,953

Total assets
77,795

 
81,608

Current liabilities
766

 
765

Owners’ equity – non-controlling interest
$
77,029

 
$
80,843