v3.22.2.2
Revenue - Disaggregation of Revenue by Major Source (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Disaggregation of Revenue [Line Items]        
Total revenues $ 20,066 $ 19,251 $ 58,820 $ 59,358
Service revenues        
Disaggregation of Revenue [Line Items]        
Total revenues 2,886 2,988 8,741 9,382
Terminal services        
Disaggregation of Revenue [Line Items]        
Total revenues 1,864 1,987 5,984 6,196
Trucking and other        
Disaggregation of Revenue [Line Items]        
Total revenues 1,022 1,001 2,757 3,186
Leasing revenues        
Disaggregation of Revenue [Line Items]        
Total revenues 17,180 16,263 50,079 49,976
Storage and throughput services        
Disaggregation of Revenue [Line Items]        
Total revenues 11,565 11,564 34,693 35,389
Railcar transportation services        
Disaggregation of Revenue [Line Items]        
Total revenues 5,615 4,688 15,386 14,525
Terminal services        
Disaggregation of Revenue [Line Items]        
Total revenues $ 0 $ 11 $ 0 $ 62