v3.21.1

REVENUE FROM CONTRACTS WITH CUSTOMERS Table 3 - Disaggregation of Revenues (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Total revenues	$ 361,646	$ 392,791
Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Total revenues	(11)	(9)
Pipeline Segment
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	169,228	194,856
Lessor revenues	0	825
Total revenues	169,228	195,681
Pipeline Segment | Crude Oil Pipelines [Member]
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	74,588	91,722
Pipeline Segment | Refined Products and Ammonia Pipelines [Member]
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	94,640	103,134
Storage Segment
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	98,210	112,889
Lessor revenues	10,364	10,328
Total revenues	108,574	123,217
Storage Segment | Throughput Terminal [Member]
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	24,794	38,723
Storage Segment | Storage Terminal [Member]
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	73,416	74,166
Fuels Marketing Segment
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	83,855	73,902
Total revenues	$ 83,855	$ 73,902

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