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SUPPLEMENTAL CONSOLIDATED FINANCIAL STATEMENT INFORMATION - Disaggregated Revenues (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2022
USD ($)
segment
Sep. 30, 2021
USD ($)
Number of business segments | segment     1  
Operating Revenues $ 3,538 $ 1,914 $ 22,818 $ 13,855
United States        
Operating Revenues 3,462 $ 1,914 11,067 10,891
Canada        
Operating Revenues $ 76   $ 11,751 $ 2,964