Annual report pursuant to Section 13 and 15(d)

INTRODUCTION AND BASIS OF PRESENTATION - Narrative (Details)

v3.22.0.1
INTRODUCTION AND BASIS OF PRESENTATION - Narrative (Details)
$ in Millions
 9 Months Ended 12 Months Ended
Dec. 31, 2021
Sep. 16, 2021
shares
Jul. 06, 2021
USD ($)
shares
Feb. 01, 2021
mile
pipelineSystem
Sep. 30, 2021
Dec. 31, 2021
Feb. 04, 2021
mile
pipelineSystem
Schedule of Equity Method Investments [Line Items]              
Number of shares issued in transaction (in shares)   1,837,607          
Common Stock, Internalization | Internalization              
Schedule of Equity Method Investments [Line Items]              
Consideration received per transaction | $     $ 14.6        
Number of shares issued in transaction (in shares)   1,153,846 1,153,846        
Class B Common Stock, Internalization | Internalization              
Schedule of Equity Method Investments [Line Items]              
Number of shares issued in transaction (in shares)   683,761 683,761        
Depositary Shares              
Schedule of Equity Method Investments [Line Items]              
Number of shares issued in transaction (in shares)   170,213 170,213        
VIE              
Schedule of Equity Method Investments [Line Items]              
Percentage of voting interest 49.50%     49.50%      
Crimson Midstream Holdings, LLC              
Schedule of Equity Method Investments [Line Items]              
Number of critical infrastructure pipeline systems | pipelineSystem       4     4
Pipeline system length (in miles) | mile       2,000     2,000
Pipeline system active length (in miles) | mile       1,100      
Grier Members | VIE              
Schedule of Equity Method Investments [Line Items]              
Percentage of voting interest 50.50%     50.50% 50.62% 50.62%  
Crimson Midstream Holdings, LLC              
Schedule of Equity Method Investments [Line Items]              
Percentage of interest acquired       49.50%     49.50%
Crimson Midstream Holdings, LLC | Class C-1 Units              
Schedule of Equity Method Investments [Line Items]              
Percentage of interest acquired             49.50%
Crimson Midstream Holdings, LLC | Mr. Grier and Certain Affiliated Trusts of Mr. Grier | Class C-1 Units              
Schedule of Equity Method Investments [Line Items]              
Percentage of remaining interests to be acquired             50.50%
Pinedale LP              
Schedule of Equity Method Investments [Line Items]              
Equity interest percentage 100.00%         100.00%  
Grand Isle Corridor LP              
Schedule of Equity Method Investments [Line Items]              
Equity interest percentage 100.00%         100.00%