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Variable Interest Entities (Tables)
12 Months Ended
Dec. 31, 2019
Variable Interest Entities [Abstract]  
Summarized Financial Information for Noncontrolling Interest
Summarized financial information for Valencia is as follows:
Results of Operations
 
Year Ended December 31
 
2019
 
2018
 
2017
 
(In thousands)
Operating revenues
$
21,073

 
$
21,025

 
$
20,887

Operating expenses
(6,832
)
 
(5,913
)
 
(5,870
)
Earnings attributable to non-controlling interest
$
14,241

 
$
15,112

 
$
15,017

 
Financial Position
 
December 31,
 
2019
 
2018
 
(In thousands)
Current assets
$
5,094

 
$
2,684

Net property, plant and equipment
58,581

 
62,066

Total assets
63,675

 
64,750

Current liabilities
623

 
538

Owners’ equity – non-controlling interest
$
63,052

 
$
64,212