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SUPPLEMENTAL CONSOLIDATED FINANCIAL STATEMENT INFORMATION (Tables)
3 Months Ended
Mar. 31, 2021
Supplemental Consolidated Financial Statement Information  
Schedule of operating revenues disaggregated by geographic region

Three Months Ended March 31, 

    

2021

    

2020

Operating Revenues

United States

$

8,783

$

27,188

 

Canada

 

2,965

 

11,791

 

Total

$

11,748

$

38,979