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SUPPLEMENTAL CONSOLIDATED FINANCIAL STATEMENT INFORMATION (Tables)
6 Months Ended
Jun. 30, 2021
Supplemental Consolidated Financial Statement Information  
Schedule of operating revenues disaggregated by geographic region

Three Months Ended June 30, 

Six Months Ended June 30, 

    

2021

    

2020

2021

2020

Operating Revenues

United States

$

193

$

29,482

 

$

8,977

 

$

56,670

Canada

 

 

17

 

2,964

 

11,808

Total

$

193

$

29,499

$

11,941

$

68,478