Transactions with Affiliates (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Sep. 30, 2019
Related Party Transaction [Line Items]
Total Midstream Services — Affiliate	$ 113,784	$ 103,803
General and Administrative Expense — Affiliate	2,674	2,278
General and Administrative Expense — Third Party	2,812	2,083
Total General and Administrative Expense	5,486	4,361
Annual cap rate	15,700		$ 6,900
Noble Energy | Noble Energy
Related Party Transaction [Line Items]
Total Midstream Services — Affiliate	113,784	103,803
Noble Energy | Noble Energy | Gathering and Processing
Related Party Transaction [Line Items]
Total Midstream Services — Affiliate	89,298	75,380
Noble Energy | Noble Energy | Fresh Water Delivery
Related Party Transaction [Line Items]
Total Midstream Services — Affiliate	23,599	27,587
Noble Energy | Noble Energy | Other
Related Party Transaction [Line Items]
Total Midstream Services — Affiliate	$ 887	$ 836