Related Party Transactions (Details) - Jun. 30, 2015 $ in Millions	USD ($) a joint_venture	USD ($)
Corporate Joint Venture
Related Party Transaction [Line Items]
Number of Joint Ventures With Affiliates | joint_venture	2
Percentage of Corporate Joint Ventures Owned BY Joint Venture Partners	50.00%	50.00%
Capital Commitment To Corporate Joint Ventures	$ 14.2
Percentage of Corporate Joint Ventures Owned By Matador	50.00%	50.00%
Capital Contributed to Corporate Joint Ventures		$ 0.7
Acreage Contributed By Joint Venture Partner | a	1,900
HEYCO Affiliates [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction		$ 0.7