Segment Reporting - Schedule of Identifiable Assets by Industry Segment (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Segment Reconciliation [Abstract]
Total assets	$ 371,563	$ 384,159
Operating segments
Segment Reconciliation [Abstract]
Total assets	371,563	384,159
Operating segments | Crude oil marketing
Segment Reconciliation [Abstract]
Total assets	183,972	215,813
Operating segments | Trans-portation
Segment Reconciliation [Abstract]
Total assets	61,115	60,405
Operating segments | Pipeline and storage
Segment Reconciliation [Abstract]
Total assets	26,480	25,815
Operating segments | Logistics and repurposing
Segment Reconciliation [Abstract]
Total assets	43,544	45,307
Cash and other
Segment Reconciliation [Abstract]
Total assets	$ 56,452	$ 36,819