v3.21.1
SEGMENT INFORMATION Table 2 - Assets by Reportable Segment (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Segment Information    
Total assets $ 5,643,872 $ 5,817,018
Total segment assets    
Segment Information    
Total assets 5,494,668 5,538,642
Total segment assets | Pipeline Segment    
Segment Information    
Total assets 3,568,565 3,609,508
Total segment assets | Storage Segment    
Segment Information    
Total assets 1,881,051 1,897,167
Total segment assets | Fuels Marketing Segment    
Segment Information    
Total assets 45,052 31,967
Other partnership assets    
Segment Information    
Total assets $ 149,204 $ 278,376