Label	Element	Value
SLC Pipeline [Member]
Equity Method Investment, Ownership Percentage	us-gaap_EquityMethodInvestmentOwnershipPercentage	25.00%
Osage Pipeline [Member] [Member]
Equity Method Investment, Ownership Percentage	us-gaap_EquityMethodInvestmentOwnershipPercentage	50.00%
Frontier Pipeline [Member]
Equity Method Investment, Ownership Percentage	us-gaap_EquityMethodInvestmentOwnershipPercentage	50.00%
Cheyenne [Member]
Equity Method Investment, Ownership Percentage	us-gaap_EquityMethodInvestmentOwnershipPercentage	50.00%