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Partnership Distributions - Additional Information (Details)
12 Months Ended
Dec. 31, 2015
Distribution Made to Limited Partner [Line Items]  
Partnership agreement day requirement of distribution of available cash 55 days
Western Gas Partners, LP [Member]  
Distribution Made to Limited Partner [Line Items]  
Partnership agreement day requirement of distribution of available cash 45 days
Incentive distributions percentage 48.00%
Western Gas Partners, LP [Member] | Minimum [Member]  
Distribution Made to Limited Partner [Line Items]  
Distribution sharing percentage 1.80%
Western Gas Partners, LP [Member] | Maximum [Member]  
Distribution Made to Limited Partner [Line Items]  
Distribution sharing percentage 49.80%
Western Gas Partners, LP [Member] | Class C Units [Member]  
Distribution Made to Limited Partner [Line Items]  
Discount rate percentage 6.00%