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SUPPLEMENTAL CONSOLIDATED FINANCIAL STATEMENT INFORMATION - Disaggregated Revenues (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
segment
Sep. 30, 2022
USD ($)
Number of business segments | segment     1  
Operating Revenues $ 22,961 $ 7,429 $ 72,588 $ 34,128
United States        
Operating Revenues 22,947 7,353 61,859 22,377
Canada        
Operating Revenues $ 14 $ 76 $ 10,729 $ 11,751