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Revenue Recognition (Tables)
 6 Months Ended
Jun. 30, 2020
Revenue from Contract with Customer [Abstract]  
Disaggregation of revenue
The following table presents revenues from contracts with customers disaggregated by product:
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
(In thousands)
 
2020
 
2019
 
2020
 
2019
OPERATING REVENUES
 
 
 
 
 
 
 
 
   Natural gas
 
$
288,286

 
$
470,482

 
$
658,626

 
$
1,103,656

   Other
 
88

 
(14
)
 
143

 
236

Total revenue from contracts with customers
 
$
288,374

 
$
470,468

 
$
658,769

 
$
1,103,892